Home / 437,545.13-656,317.69-142,057.13

Finding the Fourth Proportional to 437,545.13, 656,317.69 and 142,057.13

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Solution

The fourth proportional to 437,545.13, 656,317.69 and 142,057.13 is: 213,085.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,545.13 : 656,317.69 = 142,057.13 : x
  2. Step 2: Convert to fraction form
    437,545.13/656,317.69 = 142,057.13/x
  3. Step 3: Cross multiply
    437,545.13x = 656,317.69 × 142,057.13
  4. Step 4: Simplify right side
    437,545.13x = 93,234,603,772.90
  5. Step 5: Solve for x
    x = 93,234,603,772.90/437,545.13
  6. Step 6: Final answer
    x = 213,085.69

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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.