Home / 132,372.10-182,673.49-71,942.88

Finding the Fourth Proportional to 132,372.10, 182,673.49 and 71,942.88

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Solution

The fourth proportional to 132,372.10, 182,673.49 and 71,942.88 is: 99,281.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,372.10 : 182,673.49 = 71,942.88 : x
  2. Step 2: Convert to fraction form
    132,372.10/182,673.49 = 71,942.88/x
  3. Step 3: Cross multiply
    132,372.10x = 182,673.49 × 71,942.88
  4. Step 4: Simplify right side
    132,372.10x = 13,142,056,970.25
  5. Step 5: Solve for x
    x = 13,142,056,970.25/132,372.10
  6. Step 6: Final answer
    x = 99,281.17

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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.