Home / 237,139.89-327,246.24-129,707.56

Finding the Fourth Proportional to 237,139.89, 327,246.24 and 129,707.56

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Solution

The fourth proportional to 237,139.89, 327,246.24 and 129,707.56 is: 178,992.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,139.89 : 327,246.24 = 129,707.56 : x
  2. Step 2: Convert to fraction form
    237,139.89/327,246.24 = 129,707.56/x
  3. Step 3: Cross multiply
    237,139.89x = 327,246.24 × 129,707.56
  4. Step 4: Simplify right side
    237,139.89x = 42,446,311,309.57
  5. Step 5: Solve for x
    x = 42,446,311,309.57/237,139.89
  6. Step 6: Final answer
    x = 178,992.71

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1.5x scale

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.