Home / 132,335.31-182,602.17-78,618.95

Finding the Fourth Proportional to 132,335.31, 182,602.17 and 78,618.95

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Solution

The fourth proportional to 132,335.31, 182,602.17 and 78,618.95 is: 108,481.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,335.31 : 182,602.17 = 78,618.95 : x
  2. Step 2: Convert to fraction form
    132,335.31/182,602.17 = 78,618.95/x
  3. Step 3: Cross multiply
    132,335.31x = 182,602.17 × 78,618.95
  4. Step 4: Simplify right side
    132,335.31x = 14,355,989,960.11
  5. Step 5: Solve for x
    x = 14,355,989,960.11/132,335.31
  6. Step 6: Final answer
    x = 108,481.93

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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.