Home / 185,821.80-256,512.60-125,474.16

Finding the Fourth Proportional to 185,821.80, 256,512.60 and 125,474.16

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Solution

The fourth proportional to 185,821.80, 256,512.60 and 125,474.16 is: 173,207.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,821.80 : 256,512.60 = 125,474.16 : x
  2. Step 2: Convert to fraction form
    185,821.80/256,512.60 = 125,474.16/x
  3. Step 3: Cross multiply
    185,821.80x = 256,512.60 × 125,474.16
  4. Step 4: Simplify right side
    185,821.80x = 32,185,703,014.42
  5. Step 5: Solve for x
    x = 32,185,703,014.42/185,821.80
  6. Step 6: Final answer
    x = 173,207.36

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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.