Home / 154,711.28-232,422.14-109,223.60

Finding the Fourth Proportional to 154,711.28, 232,422.14 and 109,223.60

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Solution

The fourth proportional to 154,711.28, 232,422.14 and 109,223.60 is: 164,086.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,711.28 : 232,422.14 = 109,223.60 : x
  2. Step 2: Convert to fraction form
    154,711.28/232,422.14 = 109,223.60/x
  3. Step 3: Cross multiply
    154,711.28x = 232,422.14 × 109,223.60
  4. Step 4: Simplify right side
    154,711.28x = 25,385,981,961.45
  5. Step 5: Solve for x
    x = 25,385,981,961.45/154,711.28
  6. Step 6: Final answer
    x = 164,086.17

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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.