Home / 132,304.39-182,595.71-78,589.62

Finding the Fourth Proportional to 132,304.39, 182,595.71 and 78,589.62

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Solution

The fourth proportional to 132,304.39, 182,595.71 and 78,589.62 is: 108,462.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,304.39 : 182,595.71 = 78,589.62 : x
  2. Step 2: Convert to fraction form
    132,304.39/182,595.71 = 78,589.62/x
  3. Step 3: Cross multiply
    132,304.39x = 182,595.71 × 78,589.62
  4. Step 4: Simplify right side
    132,304.39x = 14,350,126,592.87
  5. Step 5: Solve for x
    x = 14,350,126,592.87/132,304.39
  6. Step 6: Final answer
    x = 108,462.97

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1.5x scale

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.