Home / 132,872.14-183,358.14-72,441.58

Finding the Fourth Proportional to 132,872.14, 183,358.14 and 72,441.58

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Solution

The fourth proportional to 132,872.14, 183,358.14 and 72,441.58 is: 99,966.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,872.14 : 183,358.14 = 72,441.58 : x
  2. Step 2: Convert to fraction form
    132,872.14/183,358.14 = 72,441.58/x
  3. Step 3: Cross multiply
    132,872.14x = 183,358.14 × 72,441.58
  4. Step 4: Simplify right side
    132,872.14x = 13,282,753,367.46
  5. Step 5: Solve for x
    x = 13,282,753,367.46/132,872.14
  6. Step 6: Final answer
    x = 99,966.43

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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.