Home / 132,152.61-182,370.52-74,790.88

Finding the Fourth Proportional to 132,152.61, 182,370.52 and 74,790.88

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Solution

The fourth proportional to 132,152.61, 182,370.52 and 74,790.88 is: 103,211.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,152.61 : 182,370.52 = 74,790.88 : x
  2. Step 2: Convert to fraction form
    132,152.61/182,370.52 = 74,790.88/x
  3. Step 3: Cross multiply
    132,152.61x = 182,370.52 × 74,790.88
  4. Step 4: Simplify right side
    132,152.61x = 13,639,651,314.42
  5. Step 5: Solve for x
    x = 13,639,651,314.42/132,152.61
  6. Step 6: Final answer
    x = 103,211.36

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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.