Home / 185,531.24-255,875.07-142,614.61

Finding the Fourth Proportional to 185,531.24, 255,875.07 and 142,614.61

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Solution

The fourth proportional to 185,531.24, 255,875.07 and 142,614.61 is: 196,686.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,531.24 : 255,875.07 = 142,614.61 : x
  2. Step 2: Convert to fraction form
    185,531.24/255,875.07 = 142,614.61/x
  3. Step 3: Cross multiply
    185,531.24x = 255,875.07 × 142,614.61
  4. Step 4: Simplify right side
    185,531.24x = 36,491,523,789.98
  5. Step 5: Solve for x
    x = 36,491,523,789.98/185,531.24
  6. Step 6: Final answer
    x = 196,686.68

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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.