Home / 140,080.01-193,309.51-79,650.65

Finding the Fourth Proportional to 140,080.01, 193,309.51 and 79,650.65

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Solution

The fourth proportional to 140,080.01, 193,309.51 and 79,650.65 is: 109,917.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,080.01 : 193,309.51 = 79,650.65 : x
  2. Step 2: Convert to fraction form
    140,080.01/193,309.51 = 79,650.65/x
  3. Step 3: Cross multiply
    140,080.01x = 193,309.51 × 79,650.65
  4. Step 4: Simplify right side
    140,080.01x = 15,397,226,757.88
  5. Step 5: Solve for x
    x = 15,397,226,757.88/140,080.01
  6. Step 6: Final answer
    x = 109,917.38

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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.