Home / 97,714.10-146,571.15-66,221.30

Finding the Fourth Proportional to 97,714.10, 146,571.15 and 66,221.30

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Solution

The fourth proportional to 97,714.10, 146,571.15 and 66,221.30 is: 99,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,714.10 : 146,571.15 = 66,221.30 : x
  2. Step 2: Convert to fraction form
    97,714.10/146,571.15 = 66,221.30/x
  3. Step 3: Cross multiply
    97,714.10x = 146,571.15 × 66,221.30
  4. Step 4: Simplify right side
    97,714.10x = 9,706,132,095.50
  5. Step 5: Solve for x
    x = 9,706,132,095.50/97,714.10
  6. Step 6: Final answer
    x = 99,331.95

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.