Home / 237,856.38-328,414-153,121.04

Finding the Fourth Proportional to 237,856.38, 328,414 and 153,121.04

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Solution

The fourth proportional to 237,856.38, 328,414 and 153,121.04 is: 211,417.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,856.38 : 328,414 = 153,121.04 : x
  2. Step 2: Convert to fraction form
    237,856.38/328,414 = 153,121.04/x
  3. Step 3: Cross multiply
    237,856.38x = 328,414 × 153,121.04
  4. Step 4: Simplify right side
    237,856.38x = 50,287,093,230.56
  5. Step 5: Solve for x
    x = 50,287,093,230.56/237,856.38
  6. Step 6: Final answer
    x = 211,417.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.