Home / 662,117.10-993,175.65-163,481.10

Finding the Fourth Proportional to 662,117.10, 993,175.65 and 163,481.10

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Solution

The fourth proportional to 662,117.10, 993,175.65 and 163,481.10 is: 245,221.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,117.10 : 993,175.65 = 163,481.10 : x
  2. Step 2: Convert to fraction form
    662,117.10/993,175.65 = 163,481.10/x
  3. Step 3: Cross multiply
    662,117.10x = 993,175.65 × 163,481.10
  4. Step 4: Simplify right side
    662,117.10x = 162,365,447,755.22
  5. Step 5: Solve for x
    x = 162,365,447,755.22/662,117.10
  6. Step 6: Final answer
    x = 245,221.65

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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.