Home / 129,761.31-194,632.24-36,274.35

Finding the Fourth Proportional to 129,761.31, 194,632.24 and 36,274.35

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Solution

The fourth proportional to 129,761.31, 194,632.24 and 36,274.35 is: 54,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,761.31 : 194,632.24 = 36,274.35 : x
  2. Step 2: Convert to fraction form
    129,761.31/194,632.24 = 36,274.35/x
  3. Step 3: Cross multiply
    129,761.31x = 194,632.24 × 36,274.35
  4. Step 4: Simplify right side
    129,761.31x = 7,060,156,931.20
  5. Step 5: Solve for x
    x = 7,060,156,931.20/129,761.31
  6. Step 6: Final answer
    x = 54,408.80

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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.