Home / 374,143.10-516,309.09-204,377.90

Finding the Fourth Proportional to 374,143.10, 516,309.09 and 204,377.90

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Solution

The fourth proportional to 374,143.10, 516,309.09 and 204,377.90 is: 282,036.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,143.10 : 516,309.09 = 204,377.90 : x
  2. Step 2: Convert to fraction form
    374,143.10/516,309.09 = 204,377.90/x
  3. Step 3: Cross multiply
    374,143.10x = 516,309.09 × 204,377.90
  4. Step 4: Simplify right side
    374,143.10x = 105,522,167,565.11
  5. Step 5: Solve for x
    x = 105,522,167,565.11/374,143.10
  6. Step 6: Final answer
    x = 282,036.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.