Home / 140,149.87-193,411.33-79,718.96

Finding the Fourth Proportional to 140,149.87, 193,411.33 and 79,718.96

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Solution

The fourth proportional to 140,149.87, 193,411.33 and 79,718.96 is: 110,014.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,149.87 : 193,411.33 = 79,718.96 : x
  2. Step 2: Convert to fraction form
    140,149.87/193,411.33 = 79,718.96/x
  3. Step 3: Cross multiply
    140,149.87x = 193,411.33 × 79,718.96
  4. Step 4: Simplify right side
    140,149.87x = 15,418,550,156.39
  5. Step 5: Solve for x
    x = 15,418,550,156.39/140,149.87
  6. Step 6: Final answer
    x = 110,014.73

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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.