Home / 317,035.18-475,545.86-77,150.16

Finding the Fourth Proportional to 317,035.18, 475,545.86 and 77,150.16

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Solution

The fourth proportional to 317,035.18, 475,545.86 and 77,150.16 is: 115,723.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,035.18 : 475,545.86 = 77,150.16 : x
  2. Step 2: Convert to fraction form
    317,035.18/475,545.86 = 77,150.16/x
  3. Step 3: Cross multiply
    317,035.18x = 475,545.86 × 77,150.16
  4. Step 4: Simplify right side
    317,035.18x = 36,688,439,186.34
  5. Step 5: Solve for x
    x = 36,688,439,186.34/317,035.18
  6. Step 6: Final answer
    x = 115,723.56

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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.