Home / 136,351.52-204,255-108,319.04

Finding the Fourth Proportional to 136,351.52, 204,255 and 108,319.04

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Solution

The fourth proportional to 136,351.52, 204,255 and 108,319.04 is: 162,262.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,351.52 : 204,255 = 108,319.04 : x
  2. Step 2: Convert to fraction form
    136,351.52/204,255 = 108,319.04/x
  3. Step 3: Cross multiply
    136,351.52x = 204,255 × 108,319.04
  4. Step 4: Simplify right side
    136,351.52x = 22,124,705,515.20
  5. Step 5: Solve for x
    x = 22,124,705,515.20/136,351.52
  6. Step 6: Final answer
    x = 162,262.26

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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.