Home / 132,385.50-182,566.26-87,101.91

Finding the Fourth Proportional to 132,385.50, 182,566.26 and 87,101.91

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Solution

The fourth proportional to 132,385.50, 182,566.26 and 87,101.91 is: 120,117.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,385.50 : 182,566.26 = 87,101.91 : x
  2. Step 2: Convert to fraction form
    132,385.50/182,566.26 = 87,101.91/x
  3. Step 3: Cross multiply
    132,385.50x = 182,566.26 × 87,101.91
  4. Step 4: Simplify right side
    132,385.50x = 15,901,869,947.56
  5. Step 5: Solve for x
    x = 15,901,869,947.56/132,385.50
  6. Step 6: Final answer
    x = 120,117.91

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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.