Home / 98,937.20-148,308.60-88,439.60

Finding the Fourth Proportional to 98,937.20, 148,308.60 and 88,439.60

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Solution

The fourth proportional to 98,937.20, 148,308.60 and 88,439.60 is: 132,572.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,937.20 : 148,308.60 = 88,439.60 : x
  2. Step 2: Convert to fraction form
    98,937.20/148,308.60 = 88,439.60/x
  3. Step 3: Cross multiply
    98,937.20x = 148,308.60 × 88,439.60
  4. Step 4: Simplify right side
    98,937.20x = 13,116,353,260.56
  5. Step 5: Solve for x
    x = 13,116,353,260.56/98,937.20
  6. Step 6: Final answer
    x = 132,572.51

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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.