Home / 99,301.60-148,952.40-88,415.20

Finding the Fourth Proportional to 99,301.60, 148,952.40 and 88,415.20

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Solution

The fourth proportional to 99,301.60, 148,952.40 and 88,415.20 is: 132,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,301.60 : 148,952.40 = 88,415.20 : x
  2. Step 2: Convert to fraction form
    99,301.60/148,952.40 = 88,415.20/x
  3. Step 3: Cross multiply
    99,301.60x = 148,952.40 × 88,415.20
  4. Step 4: Simplify right side
    99,301.60x = 13,169,656,236.48
  5. Step 5: Solve for x
    x = 13,169,656,236.48/99,301.60
  6. Step 6: Final answer
    x = 132,622.80

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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.