Home / 185,726.18-256,324.79-109,241.63

Finding the Fourth Proportional to 185,726.18, 256,324.79 and 109,241.63

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Solution

The fourth proportional to 185,726.18, 256,324.79 and 109,241.63 is: 150,766.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,726.18 : 256,324.79 = 109,241.63 : x
  2. Step 2: Convert to fraction form
    185,726.18/256,324.79 = 109,241.63/x
  3. Step 3: Cross multiply
    185,726.18x = 256,324.79 × 109,241.63
  4. Step 4: Simplify right side
    185,726.18x = 28,001,337,869.01
  5. Step 5: Solve for x
    x = 28,001,337,869.01/185,726.18
  6. Step 6: Final answer
    x = 150,766.78

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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.