Home / 132,305.68-198,522.51-82,372.42

Finding the Fourth Proportional to 132,305.68, 198,522.51 and 82,372.42

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Solution

The fourth proportional to 132,305.68, 198,522.51 and 82,372.42 is: 123,598.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,305.68 : 198,522.51 = 82,372.42 : x
  2. Step 2: Convert to fraction form
    132,305.68/198,522.51 = 82,372.42/x
  3. Step 3: Cross multiply
    132,305.68x = 198,522.51 × 82,372.42
  4. Step 4: Simplify right side
    132,305.68x = 16,352,779,573.17
  5. Step 5: Solve for x
    x = 16,352,779,573.17/132,305.68
  6. Step 6: Final answer
    x = 123,598.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.