Home / 185,758.25-256,344.12-100,875.92

Finding the Fourth Proportional to 185,758.25, 256,344.12 and 100,875.92

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Solution

The fourth proportional to 185,758.25, 256,344.12 and 100,875.92 is: 139,207.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,758.25 : 256,344.12 = 100,875.92 : x
  2. Step 2: Convert to fraction form
    185,758.25/256,344.12 = 100,875.92/x
  3. Step 3: Cross multiply
    185,758.25x = 256,344.12 × 100,875.92
  4. Step 4: Simplify right side
    185,758.25x = 25,858,947,659.87
  5. Step 5: Solve for x
    x = 25,858,947,659.87/185,758.25
  6. Step 6: Final answer
    x = 139,207.54

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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.