Home / 338,562.92-507,685.19-125,183.40

Finding the Fourth Proportional to 338,562.92, 507,685.19 and 125,183.40

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Solution

The fourth proportional to 338,562.92, 507,685.19 and 125,183.40 is: 187,716.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,562.92 : 507,685.19 = 125,183.40 : x
  2. Step 2: Convert to fraction form
    338,562.92/507,685.19 = 125,183.40/x
  3. Step 3: Cross multiply
    338,562.92x = 507,685.19 × 125,183.40
  4. Step 4: Simplify right side
    338,562.92x = 63,553,757,587.93
  5. Step 5: Solve for x
    x = 63,553,757,587.93/338,562.92
  6. Step 6: Final answer
    x = 187,716.24

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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.