Home / 132,439.53-182,767.50-72,010.11

Finding the Fourth Proportional to 132,439.53, 182,767.50 and 72,010.11

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Solution

The fourth proportional to 132,439.53, 182,767.50 and 72,010.11 is: 99,374.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,439.53 : 182,767.50 = 72,010.11 : x
  2. Step 2: Convert to fraction form
    132,439.53/182,767.50 = 72,010.11/x
  3. Step 3: Cross multiply
    132,439.53x = 182,767.50 × 72,010.11
  4. Step 4: Simplify right side
    132,439.53x = 13,161,107,779.43
  5. Step 5: Solve for x
    x = 13,161,107,779.43/132,439.53
  6. Step 6: Final answer
    x = 99,374.47

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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.