Home / 129,406.01-193,951.56-69,286.69

Finding the Fourth Proportional to 129,406.01, 193,951.56 and 69,286.69

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Solution

The fourth proportional to 129,406.01, 193,951.56 and 69,286.69 is: 103,845.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,406.01 : 193,951.56 = 69,286.69 : x
  2. Step 2: Convert to fraction form
    129,406.01/193,951.56 = 69,286.69/x
  3. Step 3: Cross multiply
    129,406.01x = 193,951.56 × 69,286.69
  4. Step 4: Simplify right side
    129,406.01x = 13,438,262,115.00
  5. Step 5: Solve for x
    x = 13,438,262,115.00/129,406.01
  6. Step 6: Final answer
    x = 103,845.74

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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.