Home / 129,793.38-179,113.05-73,222.98

Finding the Fourth Proportional to 129,793.38, 179,113.05 and 73,222.98

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Solution

The fourth proportional to 129,793.38, 179,113.05 and 73,222.98 is: 101,046.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,793.38 : 179,113.05 = 73,222.98 : x
  2. Step 2: Convert to fraction form
    129,793.38/179,113.05 = 73,222.98/x
  3. Step 3: Cross multiply
    129,793.38x = 179,113.05 × 73,222.98
  4. Step 4: Simplify right side
    129,793.38x = 13,115,191,277.89
  5. Step 5: Solve for x
    x = 13,115,191,277.89/129,793.38
  6. Step 6: Final answer
    x = 101,046.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.