Home / 132,589.11-182,969.49-72,158.49

Finding the Fourth Proportional to 132,589.11, 182,969.49 and 72,158.49

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Solution

The fourth proportional to 132,589.11, 182,969.49 and 72,158.49 is: 99,576.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,589.11 : 182,969.49 = 72,158.49 : x
  2. Step 2: Convert to fraction form
    132,589.11/182,969.49 = 72,158.49/x
  3. Step 3: Cross multiply
    132,589.11x = 182,969.49 × 72,158.49
  4. Step 4: Simplify right side
    132,589.11x = 13,202,802,114.47
  5. Step 5: Solve for x
    x = 13,202,802,114.47/132,589.11
  6. Step 6: Final answer
    x = 99,576.82

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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.