Home / 158,680.52-218,975.15-88,828.85

Finding the Fourth Proportional to 158,680.52, 218,975.15 and 88,828.85

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Solution

The fourth proportional to 158,680.52, 218,975.15 and 88,828.85 is: 122,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,680.52 : 218,975.15 = 88,828.85 : x
  2. Step 2: Convert to fraction form
    158,680.52/218,975.15 = 88,828.85/x
  3. Step 3: Cross multiply
    158,680.52x = 218,975.15 × 88,828.85
  4. Step 4: Simplify right side
    158,680.52x = 19,451,310,701.43
  5. Step 5: Solve for x
    x = 19,451,310,701.43/158,680.52
  6. Step 6: Final answer
    x = 122,581.60

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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.