Home / 140,455.61-193,781.26-79,983.38

Finding the Fourth Proportional to 140,455.61, 193,781.26 and 79,983.38

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Solution

The fourth proportional to 140,455.61, 193,781.26 and 79,983.38 is: 110,350.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,455.61 : 193,781.26 = 79,983.38 : x
  2. Step 2: Convert to fraction form
    140,455.61/193,781.26 = 79,983.38/x
  3. Step 3: Cross multiply
    140,455.61x = 193,781.26 × 79,983.38
  4. Step 4: Simplify right side
    140,455.61x = 15,499,280,155.46
  5. Step 5: Solve for x
    x = 15,499,280,155.46/140,455.61
  6. Step 6: Final answer
    x = 110,350.03

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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.