Home / 132,962.96-183,489.40-72,534.88

Finding the Fourth Proportional to 132,962.96, 183,489.40 and 72,534.88

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Solution

The fourth proportional to 132,962.96, 183,489.40 and 72,534.88 is: 100,098.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,962.96 : 183,489.40 = 72,534.88 : x
  2. Step 2: Convert to fraction form
    132,962.96/183,489.40 = 72,534.88/x
  3. Step 3: Cross multiply
    132,962.96x = 183,489.40 × 72,534.88
  4. Step 4: Simplify right side
    132,962.96x = 13,309,381,610.27
  5. Step 5: Solve for x
    x = 13,309,381,610.27/132,962.96
  6. Step 6: Final answer
    x = 100,098.42

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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.