Home / 237,399.06-327,609.11-129,970.89

Finding the Fourth Proportional to 237,399.06, 327,609.11 and 129,970.89

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Solution

The fourth proportional to 237,399.06, 327,609.11 and 129,970.89 is: 179,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,399.06 : 327,609.11 = 129,970.89 : x
  2. Step 2: Convert to fraction form
    237,399.06/327,609.11 = 129,970.89/x
  3. Step 3: Cross multiply
    237,399.06x = 327,609.11 × 129,970.89
  4. Step 4: Simplify right side
    237,399.06x = 42,579,646,948.95
  5. Step 5: Solve for x
    x = 42,579,646,948.95/237,399.06
  6. Step 6: Final answer
    x = 179,358.95

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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.