Home / 148,391.28-222,622.20-48,551.76

Finding the Fourth Proportional to 148,391.28, 222,622.20 and 48,551.76

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Solution

The fourth proportional to 148,391.28, 222,622.20 and 48,551.76 is: 72,839.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,391.28 : 222,622.20 = 48,551.76 : x
  2. Step 2: Convert to fraction form
    148,391.28/222,622.20 = 48,551.76/x
  3. Step 3: Cross multiply
    148,391.28x = 222,622.20 × 48,551.76
  4. Step 4: Simplify right side
    148,391.28x = 10,808,699,625.07
  5. Step 5: Solve for x
    x = 10,808,699,625.07/148,391.28
  6. Step 6: Final answer
    x = 72,839.18

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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.