Home / 129,845.70-194,768.55-41,126.40

Finding the Fourth Proportional to 129,845.70, 194,768.55 and 41,126.40

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Solution

The fourth proportional to 129,845.70, 194,768.55 and 41,126.40 is: 61,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,845.70 : 194,768.55 = 41,126.40 : x
  2. Step 2: Convert to fraction form
    129,845.70/194,768.55 = 41,126.40/x
  3. Step 3: Cross multiply
    129,845.70x = 194,768.55 × 41,126.40
  4. Step 4: Simplify right side
    129,845.70x = 8,010,129,294.72
  5. Step 5: Solve for x
    x = 8,010,129,294.72/129,845.70
  6. Step 6: Final answer
    x = 61,689.60

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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.