Home / 648,158.10-972,237.15-174,891.30

Finding the Fourth Proportional to 648,158.10, 972,237.15 and 174,891.30

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Solution

The fourth proportional to 648,158.10, 972,237.15 and 174,891.30 is: 262,336.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,158.10 : 972,237.15 = 174,891.30 : x
  2. Step 2: Convert to fraction form
    648,158.10/972,237.15 = 174,891.30/x
  3. Step 3: Cross multiply
    648,158.10x = 972,237.15 × 174,891.30
  4. Step 4: Simplify right side
    648,158.10x = 170,035,819,071.80
  5. Step 5: Solve for x
    x = 170,035,819,071.80/648,158.10
  6. Step 6: Final answer
    x = 262,336.95

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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.