Home / 148,967.76-205,552.40-88,515.92

Finding the Fourth Proportional to 148,967.76, 205,552.40 and 88,515.92

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Solution

The fourth proportional to 148,967.76, 205,552.40 and 88,515.92 is: 122,138.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,967.76 : 205,552.40 = 88,515.92 : x
  2. Step 2: Convert to fraction form
    148,967.76/205,552.40 = 88,515.92/x
  3. Step 3: Cross multiply
    148,967.76x = 205,552.40 × 88,515.92
  4. Step 4: Simplify right side
    148,967.76x = 18,194,659,794.21
  5. Step 5: Solve for x
    x = 18,194,659,794.21/148,967.76
  6. Step 6: Final answer
    x = 122,138.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.