Home / 132,154.70-182,374.78-71,725.88

Finding the Fourth Proportional to 132,154.70, 182,374.78 and 71,725.88

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Solution

The fourth proportional to 132,154.70, 182,374.78 and 71,725.88 is: 98,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,154.70 : 182,374.78 = 71,725.88 : x
  2. Step 2: Convert to fraction form
    132,154.70/182,374.78 = 71,725.88/x
  3. Step 3: Cross multiply
    132,154.70x = 182,374.78 × 71,725.88
  4. Step 4: Simplify right side
    132,154.70x = 13,080,991,585.31
  5. Step 5: Solve for x
    x = 13,080,991,585.31/132,154.70
  6. Step 6: Final answer
    x = 98,982.42

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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.