Home / 98,443.20-147,593.12-67,180.48

Finding the Fourth Proportional to 98,443.20, 147,593.12 and 67,180.48

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Solution

The fourth proportional to 98,443.20, 147,593.12 and 67,180.48 is: 100,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,443.20 : 147,593.12 = 67,180.48 : x
  2. Step 2: Convert to fraction form
    98,443.20/147,593.12 = 67,180.48/x
  3. Step 3: Cross multiply
    98,443.20x = 147,593.12 × 67,180.48
  4. Step 4: Simplify right side
    98,443.20x = 9,915,376,646.30
  5. Step 5: Solve for x
    x = 9,915,376,646.30/98,443.20
  6. Step 6: Final answer
    x = 100,721.80

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1.5x scale

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.