Home / 131,738.38-197,613.03-38,244.13

Finding the Fourth Proportional to 131,738.38, 197,613.03 and 38,244.13

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Solution

The fourth proportional to 131,738.38, 197,613.03 and 38,244.13 is: 57,367.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,738.38 : 197,613.03 = 38,244.13 : x
  2. Step 2: Convert to fraction form
    131,738.38/197,613.03 = 38,244.13/x
  3. Step 3: Cross multiply
    131,738.38x = 197,613.03 × 38,244.13
  4. Step 4: Simplify right side
    131,738.38x = 7,557,537,420.95
  5. Step 5: Solve for x
    x = 7,557,537,420.95/131,738.38
  6. Step 6: Final answer
    x = 57,367.77

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1.5x scale

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.