Home / 110,127.28-152,040.18-79,883.56

Finding the Fourth Proportional to 110,127.28, 152,040.18 and 79,883.56

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Solution

The fourth proportional to 110,127.28, 152,040.18 and 79,883.56 is: 110,286.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,127.28 : 152,040.18 = 79,883.56 : x
  2. Step 2: Convert to fraction form
    110,127.28/152,040.18 = 79,883.56/x
  3. Step 3: Cross multiply
    110,127.28x = 152,040.18 × 79,883.56
  4. Step 4: Simplify right side
    110,127.28x = 12,145,510,841.44
  5. Step 5: Solve for x
    x = 12,145,510,841.44/110,127.28
  6. Step 6: Final answer
    x = 110,286.12

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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.