Home / 185,753.13-256,342.77-105,180.41

Finding the Fourth Proportional to 185,753.13, 256,342.77 and 105,180.41

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Solution

The fourth proportional to 185,753.13, 256,342.77 and 105,180.41 is: 145,150.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,753.13 : 256,342.77 = 105,180.41 : x
  2. Step 2: Convert to fraction form
    185,753.13/256,342.77 = 105,180.41/x
  3. Step 3: Cross multiply
    185,753.13x = 256,342.77 × 105,180.41
  4. Step 4: Simplify right side
    185,753.13x = 26,962,236,367.42
  5. Step 5: Solve for x
    x = 26,962,236,367.42/185,753.13
  6. Step 6: Final answer
    x = 145,150.91

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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.