Home / 237,421.38-327,641.55-129,998.34

Finding the Fourth Proportional to 237,421.38, 327,641.55 and 129,998.34

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Solution

The fourth proportional to 237,421.38, 327,641.55 and 129,998.34 is: 179,397.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,421.38 : 327,641.55 = 129,998.34 : x
  2. Step 2: Convert to fraction form
    237,421.38/327,641.55 = 129,998.34/x
  3. Step 3: Cross multiply
    237,421.38x = 327,641.55 × 129,998.34
  4. Step 4: Simplify right side
    237,421.38x = 42,592,857,615.03
  5. Step 5: Solve for x
    x = 42,592,857,615.03/237,421.38
  6. Step 6: Final answer
    x = 179,397.73

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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.