Home / 318,565.16-439,569.54-182,572.91

Finding the Fourth Proportional to 318,565.16, 439,569.54 and 182,572.91

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Solution

The fourth proportional to 318,565.16, 439,569.54 and 182,572.91 is: 251,921.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,565.16 : 439,569.54 = 182,572.91 : x
  2. Step 2: Convert to fraction form
    318,565.16/439,569.54 = 182,572.91/x
  3. Step 3: Cross multiply
    318,565.16x = 439,569.54 × 182,572.91
  4. Step 4: Simplify right side
    318,565.16x = 80,253,487,867.31
  5. Step 5: Solve for x
    x = 80,253,487,867.31/318,565.16
  6. Step 6: Final answer
    x = 251,921.74

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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.