Home / 185,218.24-255,601.29-100,335.64

Finding the Fourth Proportional to 185,218.24, 255,601.29 and 100,335.64

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Solution

The fourth proportional to 185,218.24, 255,601.29 and 100,335.64 is: 138,463.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,218.24 : 255,601.29 = 100,335.64 : x
  2. Step 2: Convert to fraction form
    185,218.24/255,601.29 = 100,335.64/x
  3. Step 3: Cross multiply
    185,218.24x = 255,601.29 × 100,335.64
  4. Step 4: Simplify right side
    185,218.24x = 25,645,919,016.98
  5. Step 5: Solve for x
    x = 25,645,919,016.98/185,218.24
  6. Step 6: Final answer
    x = 138,463.25

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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.