Home / 185,146.28-255,407.82-108,615.32

Finding the Fourth Proportional to 185,146.28, 255,407.82 and 108,615.32

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Solution

The fourth proportional to 185,146.28, 255,407.82 and 108,615.32 is: 149,833.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,146.28 : 255,407.82 = 108,615.32 : x
  2. Step 2: Convert to fraction form
    185,146.28/255,407.82 = 108,615.32/x
  3. Step 3: Cross multiply
    185,146.28x = 255,407.82 × 108,615.32
  4. Step 4: Simplify right side
    185,146.28x = 27,741,202,099.80
  5. Step 5: Solve for x
    x = 27,741,202,099.80/185,146.28
  6. Step 6: Final answer
    x = 149,833.97

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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.