Home / 129,366.13-194,057.40-40,623.13

Finding the Fourth Proportional to 129,366.13, 194,057.40 and 40,623.13

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Solution

The fourth proportional to 129,366.13, 194,057.40 and 40,623.13 is: 60,937.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,366.13 : 194,057.40 = 40,623.13 : x
  2. Step 2: Convert to fraction form
    129,366.13/194,057.40 = 40,623.13/x
  3. Step 3: Cross multiply
    129,366.13x = 194,057.40 × 40,623.13
  4. Step 4: Simplify right side
    129,366.13x = 7,883,218,987.66
  5. Step 5: Solve for x
    x = 7,883,218,987.66/129,366.13
  6. Step 6: Final answer
    x = 60,937.27

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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.