Home / 132,147.20-182,363.22-71,717.82

Finding the Fourth Proportional to 132,147.20, 182,363.22 and 71,717.82

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Solution

The fourth proportional to 132,147.20, 182,363.22 and 71,717.82 is: 98,970.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,147.20 : 182,363.22 = 71,717.82 : x
  2. Step 2: Convert to fraction form
    132,147.20/182,363.22 = 71,717.82/x
  3. Step 3: Cross multiply
    132,147.20x = 182,363.22 × 71,717.82
  4. Step 4: Simplify right side
    132,147.20x = 13,078,692,586.58
  5. Step 5: Solve for x
    x = 13,078,692,586.58/132,147.20
  6. Step 6: Final answer
    x = 98,970.64

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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.