Home / 140,500.06-193,895.13-80,079.82

Finding the Fourth Proportional to 140,500.06, 193,895.13 and 80,079.82

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Solution

The fourth proportional to 140,500.06, 193,895.13 and 80,079.82 is: 110,513.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,500.06 : 193,895.13 = 80,079.82 : x
  2. Step 2: Convert to fraction form
    140,500.06/193,895.13 = 80,079.82/x
  3. Step 3: Cross multiply
    140,500.06x = 193,895.13 × 80,079.82
  4. Step 4: Simplify right side
    140,500.06x = 15,527,087,109.28
  5. Step 5: Solve for x
    x = 15,527,087,109.28/140,500.06
  6. Step 6: Final answer
    x = 110,513.03

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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.