Home / 185,755.25-256,339.98-100,872.92

Finding the Fourth Proportional to 185,755.25, 256,339.98 and 100,872.92

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Solution

The fourth proportional to 185,755.25, 256,339.98 and 100,872.92 is: 139,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,755.25 : 256,339.98 = 100,872.92 : x
  2. Step 2: Convert to fraction form
    185,755.25/256,339.98 = 100,872.92/x
  3. Step 3: Cross multiply
    185,755.25x = 256,339.98 × 100,872.92
  4. Step 4: Simplify right side
    185,755.25x = 25,857,761,013.64
  5. Step 5: Solve for x
    x = 25,857,761,013.64/185,755.25
  6. Step 6: Final answer
    x = 139,203.40

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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.