Home / 185,695.83-256,261.32-109,218.15

Finding the Fourth Proportional to 185,695.83, 256,261.32 and 109,218.15

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Solution

The fourth proportional to 185,695.83, 256,261.32 and 109,218.15 is: 150,721.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,695.83 : 256,261.32 = 109,218.15 : x
  2. Step 2: Convert to fraction form
    185,695.83/256,261.32 = 109,218.15/x
  3. Step 3: Cross multiply
    185,695.83x = 256,261.32 × 109,218.15
  4. Step 4: Simplify right side
    185,695.83x = 27,988,387,286.96
  5. Step 5: Solve for x
    x = 27,988,387,286.96/185,695.83
  6. Step 6: Final answer
    x = 150,721.68

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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.