Home / 185,789.25-256,382.28-100,904.49

Finding the Fourth Proportional to 185,789.25, 256,382.28 and 100,904.49

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Solution

The fourth proportional to 185,789.25, 256,382.28 and 100,904.49 is: 139,244.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,789.25 : 256,382.28 = 100,904.49 : x
  2. Step 2: Convert to fraction form
    185,789.25/256,382.28 = 100,904.49/x
  3. Step 3: Cross multiply
    185,789.25x = 256,382.28 × 100,904.49
  4. Step 4: Simplify right side
    185,789.25x = 25,870,123,208.44
  5. Step 5: Solve for x
    x = 25,870,123,208.44/185,789.25
  6. Step 6: Final answer
    x = 139,244.46

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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.