Home / 148,453.20-222,728.67-98,728.92

Finding the Fourth Proportional to 148,453.20, 222,728.67 and 98,728.92

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Solution

The fourth proportional to 148,453.20, 222,728.67 and 98,728.92 is: 148,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,453.20 : 222,728.67 = 98,728.92 : x
  2. Step 2: Convert to fraction form
    148,453.20/222,728.67 = 98,728.92/x
  3. Step 3: Cross multiply
    148,453.20x = 222,728.67 × 98,728.92
  4. Step 4: Simplify right side
    148,453.20x = 21,989,761,042.14
  5. Step 5: Solve for x
    x = 21,989,761,042.14/148,453.20
  6. Step 6: Final answer
    x = 148,125.88

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1.5x scale

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.