Home / 185,766.72-256,436.52-125,419.08

Finding the Fourth Proportional to 185,766.72, 256,436.52 and 125,419.08

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Solution

The fourth proportional to 185,766.72, 256,436.52 and 125,419.08 is: 173,131.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,766.72 : 256,436.52 = 125,419.08 : x
  2. Step 2: Convert to fraction form
    185,766.72/256,436.52 = 125,419.08/x
  3. Step 3: Cross multiply
    185,766.72x = 256,436.52 × 125,419.08
  4. Step 4: Simplify right side
    185,766.72x = 32,162,032,416.80
  5. Step 5: Solve for x
    x = 32,162,032,416.80/185,766.72
  6. Step 6: Final answer
    x = 173,131.29

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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.