Home / 132,539.41-182,957.70-90,123.76

Finding the Fourth Proportional to 132,539.41, 182,957.70 and 90,123.76

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Solution

The fourth proportional to 132,539.41, 182,957.70 and 90,123.76 is: 124,407.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,539.41 : 182,957.70 = 90,123.76 : x
  2. Step 2: Convert to fraction form
    132,539.41/182,957.70 = 90,123.76/x
  3. Step 3: Cross multiply
    132,539.41x = 182,957.70 × 90,123.76
  4. Step 4: Simplify right side
    132,539.41x = 16,488,835,844.95
  5. Step 5: Solve for x
    x = 16,488,835,844.95/132,539.41
  6. Step 6: Final answer
    x = 124,407.04

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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.