Home / 185,769.64-256,440.56-125,422.04

Finding the Fourth Proportional to 185,769.64, 256,440.56 and 125,422.04

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Solution

The fourth proportional to 185,769.64, 256,440.56 and 125,422.04 is: 173,135.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,769.64 : 256,440.56 = 125,422.04 : x
  2. Step 2: Convert to fraction form
    185,769.64/256,440.56 = 125,422.04/x
  3. Step 3: Cross multiply
    185,769.64x = 256,440.56 × 125,422.04
  4. Step 4: Simplify right side
    185,769.64x = 32,163,298,173.94
  5. Step 5: Solve for x
    x = 32,163,298,173.94/185,769.64
  6. Step 6: Final answer
    x = 173,135.39

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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.