Home / 129,658.15-194,376.28-49,753.45

Finding the Fourth Proportional to 129,658.15, 194,376.28 and 49,753.45

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Solution

The fourth proportional to 129,658.15, 194,376.28 and 49,753.45 is: 74,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,658.15 : 194,376.28 = 49,753.45 : x
  2. Step 2: Convert to fraction form
    129,658.15/194,376.28 = 49,753.45/x
  3. Step 3: Cross multiply
    129,658.15x = 194,376.28 × 49,753.45
  4. Step 4: Simplify right side
    129,658.15x = 9,670,890,403.78
  5. Step 5: Solve for x
    x = 9,670,890,403.78/129,658.15
  6. Step 6: Final answer
    x = 74,587.60

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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.