Home / 185,761.70-256,429.62-125,414.09

Finding the Fourth Proportional to 185,761.70, 256,429.62 and 125,414.09

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Solution

The fourth proportional to 185,761.70, 256,429.62 and 125,414.09 is: 173,124.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,761.70 : 256,429.62 = 125,414.09 : x
  2. Step 2: Convert to fraction form
    185,761.70/256,429.62 = 125,414.09/x
  3. Step 3: Cross multiply
    185,761.70x = 256,429.62 × 125,414.09
  4. Step 4: Simplify right side
    185,761.70x = 32,159,887,441.35
  5. Step 5: Solve for x
    x = 32,159,887,441.35/185,761.70
  6. Step 6: Final answer
    x = 173,124.42

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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.