Home / 129,920.93-194,886.86-41,177.94

Finding the Fourth Proportional to 129,920.93, 194,886.86 and 41,177.94

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Solution

The fourth proportional to 129,920.93, 194,886.86 and 41,177.94 is: 61,768.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,920.93 : 194,886.86 = 41,177.94 : x
  2. Step 2: Convert to fraction form
    129,920.93/194,886.86 = 41,177.94/x
  3. Step 3: Cross multiply
    129,920.93x = 194,886.86 × 41,177.94
  4. Step 4: Simplify right side
    129,920.93x = 8,025,039,221.98
  5. Step 5: Solve for x
    x = 8,025,039,221.98/129,920.93
  6. Step 6: Final answer
    x = 61,768.64

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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.