Home / 129,376.95-194,073.66-40,633.97

Finding the Fourth Proportional to 129,376.95, 194,073.66 and 40,633.97

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Solution

The fourth proportional to 129,376.95, 194,073.66 and 40,633.97 is: 60,953.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,376.95 : 194,073.66 = 40,633.97 : x
  2. Step 2: Convert to fraction form
    129,376.95/194,073.66 = 40,633.97/x
  3. Step 3: Cross multiply
    129,376.95x = 194,073.66 × 40,633.97
  4. Step 4: Simplify right side
    129,376.95x = 7,885,982,307.86
  5. Step 5: Solve for x
    x = 7,885,982,307.86/129,376.95
  6. Step 6: Final answer
    x = 60,953.53

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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.