Home / 140,028.44-193,250.76-79,618.12

Finding the Fourth Proportional to 140,028.44, 193,250.76 and 79,618.12

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Solution

The fourth proportional to 140,028.44, 193,250.76 and 79,618.12 is: 109,879.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,028.44 : 193,250.76 = 79,618.12 : x
  2. Step 2: Convert to fraction form
    140,028.44/193,250.76 = 79,618.12/x
  3. Step 3: Cross multiply
    140,028.44x = 193,250.76 × 79,618.12
  4. Step 4: Simplify right side
    140,028.44x = 15,386,262,199.77
  5. Step 5: Solve for x
    x = 15,386,262,199.77/140,028.44
  6. Step 6: Final answer
    x = 109,879.55

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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.