Home / 129,221.96-193,836.58-35,727.72

Finding the Fourth Proportional to 129,221.96, 193,836.58 and 35,727.72

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Solution

The fourth proportional to 129,221.96, 193,836.58 and 35,727.72 is: 53,592.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,221.96 : 193,836.58 = 35,727.72 : x
  2. Step 2: Convert to fraction form
    129,221.96/193,836.58 = 35,727.72/x
  3. Step 3: Cross multiply
    129,221.96x = 193,836.58 × 35,727.72
  4. Step 4: Simplify right side
    129,221.96x = 6,925,339,056.00
  5. Step 5: Solve for x
    x = 6,925,339,056.00/129,221.96
  6. Step 6: Final answer
    x = 53,592.59

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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.