Home / 185,232.80-255,619.84-100,349.25

Finding the Fourth Proportional to 185,232.80, 255,619.84 and 100,349.25

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Solution

The fourth proportional to 185,232.80, 255,619.84 and 100,349.25 is: 138,481.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,232.80 : 255,619.84 = 100,349.25 : x
  2. Step 2: Convert to fraction form
    185,232.80/255,619.84 = 100,349.25/x
  3. Step 3: Cross multiply
    185,232.80x = 255,619.84 × 100,349.25
  4. Step 4: Simplify right side
    185,232.80x = 25,651,259,229.12
  5. Step 5: Solve for x
    x = 25,651,259,229.12/185,232.80
  6. Step 6: Final answer
    x = 138,481.19

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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.