Home / 146,930.76-220,396.10-68,001.93

Finding the Fourth Proportional to 146,930.76, 220,396.10 and 68,001.93

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Solution

The fourth proportional to 146,930.76, 220,396.10 and 68,001.93 is: 102,002.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,930.76 : 220,396.10 = 68,001.93 : x
  2. Step 2: Convert to fraction form
    146,930.76/220,396.10 = 68,001.93/x
  3. Step 3: Cross multiply
    146,930.76x = 220,396.10 × 68,001.93
  4. Step 4: Simplify right side
    146,930.76x = 14,987,359,824.46
  5. Step 5: Solve for x
    x = 14,987,359,824.46/146,930.76
  6. Step 6: Final answer
    x = 102,002.87

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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.