Home / 185,148.38-255,504.78-100,265.44

Finding the Fourth Proportional to 185,148.38, 255,504.78 and 100,265.44

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Solution

The fourth proportional to 185,148.38, 255,504.78 and 100,265.44 is: 138,366.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,148.38 : 255,504.78 = 100,265.44 : x
  2. Step 2: Convert to fraction form
    185,148.38/255,504.78 = 100,265.44/x
  3. Step 3: Cross multiply
    185,148.38x = 255,504.78 × 100,265.44
  4. Step 4: Simplify right side
    185,148.38x = 25,618,299,188.80
  5. Step 5: Solve for x
    x = 25,618,299,188.80/185,148.38
  6. Step 6: Final answer
    x = 138,366.32

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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.