Home / 129,251.84-193,877.80-40,505.34

Finding the Fourth Proportional to 129,251.84, 193,877.80 and 40,505.34

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Solution

The fourth proportional to 129,251.84, 193,877.80 and 40,505.34 is: 60,758.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,251.84 : 193,877.80 = 40,505.34 : x
  2. Step 2: Convert to fraction form
    129,251.84/193,877.80 = 40,505.34/x
  3. Step 3: Cross multiply
    129,251.84x = 193,877.80 × 40,505.34
  4. Step 4: Simplify right side
    129,251.84x = 7,853,086,207.45
  5. Step 5: Solve for x
    x = 7,853,086,207.45/129,251.84
  6. Step 6: Final answer
    x = 60,758.02

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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.