Home / 132,134.66-182,354.82-74,774.02

Finding the Fourth Proportional to 132,134.66, 182,354.82 and 74,774.02

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Solution

The fourth proportional to 132,134.66, 182,354.82 and 74,774.02 is: 103,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,134.66 : 182,354.82 = 74,774.02 : x
  2. Step 2: Convert to fraction form
    132,134.66/182,354.82 = 74,774.02/x
  3. Step 3: Cross multiply
    132,134.66x = 182,354.82 × 74,774.02
  4. Step 4: Simplify right side
    132,134.66x = 13,635,402,957.78
  5. Step 5: Solve for x
    x = 13,635,402,957.78/132,134.66
  6. Step 6: Final answer
    x = 103,193.23

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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.