Home / 185,823.20-256,431.71-108,293.90

Finding the Fourth Proportional to 185,823.20, 256,431.71 and 108,293.90

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Solution

The fourth proportional to 185,823.20, 256,431.71 and 108,293.90 is: 149,443.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,823.20 : 256,431.71 = 108,293.90 : x
  2. Step 2: Convert to fraction form
    185,823.20/256,431.71 = 108,293.90/x
  3. Step 3: Cross multiply
    185,823.20x = 256,431.71 × 108,293.90
  4. Step 4: Simplify right side
    185,823.20x = 27,769,988,135.94
  5. Step 5: Solve for x
    x = 27,769,988,135.94/185,823.20
  6. Step 6: Final answer
    x = 149,443.07

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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.