Home / 129,512.14-194,219.00-61,974.85

Finding the Fourth Proportional to 129,512.14, 194,219.00 and 61,974.85

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Solution

The fourth proportional to 129,512.14, 194,219.00 and 61,974.85 is: 92,938.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,512.14 : 194,219.00 = 61,974.85 : x
  2. Step 2: Convert to fraction form
    129,512.14/194,219.00 = 61,974.85/x
  3. Step 3: Cross multiply
    129,512.14x = 194,219.00 × 61,974.85
  4. Step 4: Simplify right side
    129,512.14x = 12,036,692,111.18
  5. Step 5: Solve for x
    x = 12,036,692,111.18/129,512.14
  6. Step 6: Final answer
    x = 92,938.72

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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.