Home / 185,761.44-256,343.94-100,876.68

Finding the Fourth Proportional to 185,761.44, 256,343.94 and 100,876.68

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Solution

The fourth proportional to 185,761.44, 256,343.94 and 100,876.68 is: 139,206.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,761.44 : 256,343.94 = 100,876.68 : x
  2. Step 2: Convert to fraction form
    185,761.44/256,343.94 = 100,876.68/x
  3. Step 3: Cross multiply
    185,761.44x = 256,343.94 × 100,876.68
  4. Step 4: Simplify right side
    185,761.44x = 25,859,125,605.32
  5. Step 5: Solve for x
    x = 25,859,125,605.32/185,761.44
  6. Step 6: Final answer
    x = 139,206.10

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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.