Home / 136,375.03-204,590.49-57,489.40

Finding the Fourth Proportional to 136,375.03, 204,590.49 and 57,489.40

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Solution

The fourth proportional to 136,375.03, 204,590.49 and 57,489.40 is: 86,245.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,375.03 : 204,590.49 = 57,489.40 : x
  2. Step 2: Convert to fraction form
    136,375.03/204,590.49 = 57,489.40/x
  3. Step 3: Cross multiply
    136,375.03x = 204,590.49 × 57,489.40
  4. Step 4: Simplify right side
    136,375.03x = 11,761,784,515.81
  5. Step 5: Solve for x
    x = 11,761,784,515.81/136,375.03
  6. Step 6: Final answer
    x = 86,245.88

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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.