Home / 99,316.38-148,974.21-40,151.34

Finding the Fourth Proportional to 99,316.38, 148,974.21 and 40,151.34

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Solution

The fourth proportional to 99,316.38, 148,974.21 and 40,151.34 is: 60,226.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,316.38 : 148,974.21 = 40,151.34 : x
  2. Step 2: Convert to fraction form
    99,316.38/148,974.21 = 40,151.34/x
  3. Step 3: Cross multiply
    99,316.38x = 148,974.21 × 40,151.34
  4. Step 4: Simplify right side
    99,316.38x = 5,981,514,156.94
  5. Step 5: Solve for x
    x = 5,981,514,156.94/99,316.38
  6. Step 6: Final answer
    x = 60,226.86

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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.