Home / 148,521.70-222,134.55-132,840.10

Finding the Fourth Proportional to 148,521.70, 222,134.55 and 132,840.10

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Solution

The fourth proportional to 148,521.70, 222,134.55 and 132,840.10 is: 198,680.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,521.70 : 222,134.55 = 132,840.10 : x
  2. Step 2: Convert to fraction form
    148,521.70/222,134.55 = 132,840.10/x
  3. Step 3: Cross multiply
    148,521.70x = 222,134.55 × 132,840.10
  4. Step 4: Simplify right side
    148,521.70x = 29,508,375,835.46
  5. Step 5: Solve for x
    x = 29,508,375,835.46/148,521.70
  6. Step 6: Final answer
    x = 198,680.57

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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.