Home / 185,146.38-255,502.01-100,263.44

Finding the Fourth Proportional to 185,146.38, 255,502.01 and 100,263.44

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Solution

The fourth proportional to 185,146.38, 255,502.01 and 100,263.44 is: 138,363.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,146.38 : 255,502.01 = 100,263.44 : x
  2. Step 2: Convert to fraction form
    185,146.38/255,502.01 = 100,263.44/x
  3. Step 3: Cross multiply
    185,146.38x = 255,502.01 × 100,263.44
  4. Step 4: Simplify right side
    185,146.38x = 25,617,511,338.93
  5. Step 5: Solve for x
    x = 25,617,511,338.93/185,146.38
  6. Step 6: Final answer
    x = 138,363.56

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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.