Home / 132,732.90-183,174.48-72,306.90

Finding the Fourth Proportional to 132,732.90, 183,174.48 and 72,306.90

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Solution

The fourth proportional to 132,732.90, 183,174.48 and 72,306.90 is: 99,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,732.90 : 183,174.48 = 72,306.90 : x
  2. Step 2: Convert to fraction form
    132,732.90/183,174.48 = 72,306.90/x
  3. Step 3: Cross multiply
    132,732.90x = 183,174.48 × 72,306.90
  4. Step 4: Simplify right side
    132,732.90x = 13,244,778,807.91
  5. Step 5: Solve for x
    x = 13,244,778,807.91/132,732.90
  6. Step 6: Final answer
    x = 99,785.20

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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.