Home / 129,222.15-193,836.86-35,727.90

Finding the Fourth Proportional to 129,222.15, 193,836.86 and 35,727.90

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Solution

The fourth proportional to 129,222.15, 193,836.86 and 35,727.90 is: 53,592.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,222.15 : 193,836.86 = 35,727.90 : x
  2. Step 2: Convert to fraction form
    129,222.15/193,836.86 = 35,727.90/x
  3. Step 3: Cross multiply
    129,222.15x = 193,836.86 × 35,727.90
  4. Step 4: Simplify right side
    129,222.15x = 6,925,383,950.39
  5. Step 5: Solve for x
    x = 6,925,383,950.39/129,222.15
  6. Step 6: Final answer
    x = 53,592.86

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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.