Home / 98,255.03-147,387.60-28,132.52

Finding the Fourth Proportional to 98,255.03, 147,387.60 and 28,132.52

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Solution

The fourth proportional to 98,255.03, 147,387.60 and 28,132.52 is: 42,200.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,255.03 : 147,387.60 = 28,132.52 : x
  2. Step 2: Convert to fraction form
    98,255.03/147,387.60 = 28,132.52/x
  3. Step 3: Cross multiply
    98,255.03x = 147,387.60 × 28,132.52
  4. Step 4: Simplify right side
    98,255.03x = 4,146,383,867.81
  5. Step 5: Solve for x
    x = 4,146,383,867.81/98,255.03
  6. Step 6: Final answer
    x = 42,200.22

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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.