Home / 185,760.20-256,427.55-125,412.59

Finding the Fourth Proportional to 185,760.20, 256,427.55 and 125,412.59

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Solution

The fourth proportional to 185,760.20, 256,427.55 and 125,412.59 is: 173,122.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,760.20 : 256,427.55 = 125,412.59 : x
  2. Step 2: Convert to fraction form
    185,760.20/256,427.55 = 125,412.59/x
  3. Step 3: Cross multiply
    185,760.20x = 256,427.55 × 125,412.59
  4. Step 4: Simplify right side
    185,760.20x = 32,159,241,910.72
  5. Step 5: Solve for x
    x = 32,159,241,910.72/185,760.20
  6. Step 6: Final answer
    x = 173,122.35

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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.