Home / 148,301.20-222,524.70-69,401.80

Finding the Fourth Proportional to 148,301.20, 222,524.70 and 69,401.80

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Solution

The fourth proportional to 148,301.20, 222,524.70 and 69,401.80 is: 104,136.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,301.20 : 222,524.70 = 69,401.80 : x
  2. Step 2: Convert to fraction form
    148,301.20/222,524.70 = 69,401.80/x
  3. Step 3: Cross multiply
    148,301.20x = 222,524.70 × 69,401.80
  4. Step 4: Simplify right side
    148,301.20x = 15,443,614,724.46
  5. Step 5: Solve for x
    x = 15,443,614,724.46/148,301.20
  6. Step 6: Final answer
    x = 104,136.82

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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.