Home / 147,680.88-221,294.52-100,234.32

Finding the Fourth Proportional to 147,680.88, 221,294.52 and 100,234.32

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Solution

The fourth proportional to 147,680.88, 221,294.52 and 100,234.32 is: 150,197.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,680.88 : 221,294.52 = 100,234.32 : x
  2. Step 2: Convert to fraction form
    147,680.88/221,294.52 = 100,234.32/x
  3. Step 3: Cross multiply
    147,680.88x = 221,294.52 × 100,234.32
  4. Step 4: Simplify right side
    147,680.88x = 22,181,305,731.93
  5. Step 5: Solve for x
    x = 22,181,305,731.93/147,680.88
  6. Step 6: Final answer
    x = 150,197.55

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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.