Home / 129,454.40-194,202.51-38,279.04

Finding the Fourth Proportional to 129,454.40, 194,202.51 and 38,279.04

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Solution

The fourth proportional to 129,454.40, 194,202.51 and 38,279.04 is: 57,424.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,454.40 : 194,202.51 = 38,279.04 : x
  2. Step 2: Convert to fraction form
    129,454.40/194,202.51 = 38,279.04/x
  3. Step 3: Cross multiply
    129,454.40x = 194,202.51 × 38,279.04
  4. Step 4: Simplify right side
    129,454.40x = 7,433,885,648.39
  5. Step 5: Solve for x
    x = 7,433,885,648.39/129,454.40
  6. Step 6: Final answer
    x = 57,424.75

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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.