Home / 132,227.16-182,447.82-78,529.02

Finding the Fourth Proportional to 132,227.16, 182,447.82 and 78,529.02

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Solution

The fourth proportional to 132,227.16, 182,447.82 and 78,529.02 is: 108,354.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,227.16 : 182,447.82 = 78,529.02 : x
  2. Step 2: Convert to fraction form
    132,227.16/182,447.82 = 78,529.02/x
  3. Step 3: Cross multiply
    132,227.16x = 182,447.82 × 78,529.02
  4. Step 4: Simplify right side
    132,227.16x = 14,327,448,505.74
  5. Step 5: Solve for x
    x = 14,327,448,505.74/132,227.16
  6. Step 6: Final answer
    x = 108,354.81

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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.