Home / 234,981.60-352,472.40-68,769.60

Finding the Fourth Proportional to 234,981.60, 352,472.40 and 68,769.60

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Solution

The fourth proportional to 234,981.60, 352,472.40 and 68,769.60 is: 103,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,981.60 : 352,472.40 = 68,769.60 : x
  2. Step 2: Convert to fraction form
    234,981.60/352,472.40 = 68,769.60/x
  3. Step 3: Cross multiply
    234,981.60x = 352,472.40 × 68,769.60
  4. Step 4: Simplify right side
    234,981.60x = 24,239,385,959.04
  5. Step 5: Solve for x
    x = 24,239,385,959.04/234,981.60
  6. Step 6: Final answer
    x = 103,154.40

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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.