Home / 185,203.55-255,575.66-108,721.43

Finding the Fourth Proportional to 185,203.55, 255,575.66 and 108,721.43

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Solution

The fourth proportional to 185,203.55, 255,575.66 and 108,721.43 is: 150,032.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,203.55 : 255,575.66 = 108,721.43 : x
  2. Step 2: Convert to fraction form
    185,203.55/255,575.66 = 108,721.43/x
  3. Step 3: Cross multiply
    185,203.55x = 255,575.66 × 108,721.43
  4. Step 4: Simplify right side
    185,203.55x = 27,786,550,426.17
  5. Step 5: Solve for x
    x = 27,786,550,426.17/185,203.55
  6. Step 6: Final answer
    x = 150,032.49

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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.