Home / 132,511.77-182,867.67-72,082.56

Finding the Fourth Proportional to 132,511.77, 182,867.67 and 72,082.56

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Solution

The fourth proportional to 132,511.77, 182,867.67 and 72,082.56 is: 99,474.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,511.77 : 182,867.67 = 72,082.56 : x
  2. Step 2: Convert to fraction form
    132,511.77/182,867.67 = 72,082.56/x
  3. Step 3: Cross multiply
    132,511.77x = 182,867.67 × 72,082.56
  4. Step 4: Simplify right side
    132,511.77x = 13,181,569,794.84
  5. Step 5: Solve for x
    x = 13,181,569,794.84/132,511.77
  6. Step 6: Final answer
    x = 99,474.71

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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.