Home / 181,198.49-250,065.12-100,626.57

Finding the Fourth Proportional to 181,198.49, 250,065.12 and 100,626.57

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Solution

The fourth proportional to 181,198.49, 250,065.12 and 100,626.57 is: 138,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,198.49 : 250,065.12 = 100,626.57 : x
  2. Step 2: Convert to fraction form
    181,198.49/250,065.12 = 100,626.57/x
  3. Step 3: Cross multiply
    181,198.49x = 250,065.12 × 100,626.57
  4. Step 4: Simplify right side
    181,198.49x = 25,163,195,679.59
  5. Step 5: Solve for x
    x = 25,163,195,679.59/181,198.49
  6. Step 6: Final answer
    x = 138,870.89

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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.