Home / 129,864.04-194,648.40-54,937.42

Finding the Fourth Proportional to 129,864.04, 194,648.40 and 54,937.42

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Solution

The fourth proportional to 129,864.04, 194,648.40 and 54,937.42 is: 82,343.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,864.04 : 194,648.40 = 54,937.42 : x
  2. Step 2: Convert to fraction form
    129,864.04/194,648.40 = 54,937.42/x
  3. Step 3: Cross multiply
    129,864.04x = 194,648.40 × 54,937.42
  4. Step 4: Simplify right side
    129,864.04x = 10,693,480,903.13
  5. Step 5: Solve for x
    x = 10,693,480,903.13/129,864.04
  6. Step 6: Final answer
    x = 82,343.66

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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.