Home / 148,518.20-222,777.30-89,469.20

Finding the Fourth Proportional to 148,518.20, 222,777.30 and 89,469.20

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Solution

The fourth proportional to 148,518.20, 222,777.30 and 89,469.20 is: 134,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,518.20 : 222,777.30 = 89,469.20 : x
  2. Step 2: Convert to fraction form
    148,518.20/222,777.30 = 89,469.20/x
  3. Step 3: Cross multiply
    148,518.20x = 222,777.30 × 89,469.20
  4. Step 4: Simplify right side
    148,518.20x = 19,931,706,809.16
  5. Step 5: Solve for x
    x = 19,931,706,809.16/148,518.20
  6. Step 6: Final answer
    x = 134,203.80

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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.