Home / 140,534.68-193,942.82-80,095.57

Finding the Fourth Proportional to 140,534.68, 193,942.82 and 80,095.57

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Solution

The fourth proportional to 140,534.68, 193,942.82 and 80,095.57 is: 110,534.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,534.68 : 193,942.82 = 80,095.57 : x
  2. Step 2: Convert to fraction form
    140,534.68/193,942.82 = 80,095.57/x
  3. Step 3: Cross multiply
    140,534.68x = 193,942.82 × 80,095.57
  4. Step 4: Simplify right side
    140,534.68x = 15,533,960,910.98
  5. Step 5: Solve for x
    x = 15,533,960,910.98/140,534.68
  6. Step 6: Final answer
    x = 110,534.71

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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.