Home / 185,822.38-256,429.02-105,257.35

Finding the Fourth Proportional to 185,822.38, 256,429.02 and 105,257.35

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Solution

The fourth proportional to 185,822.38, 256,429.02 and 105,257.35 is: 145,251.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,822.38 : 256,429.02 = 105,257.35 : x
  2. Step 2: Convert to fraction form
    185,822.38/256,429.02 = 105,257.35/x
  3. Step 3: Cross multiply
    185,822.38x = 256,429.02 × 105,257.35
  4. Step 4: Simplify right side
    185,822.38x = 26,991,039,108.30
  5. Step 5: Solve for x
    x = 26,991,039,108.30/185,822.38
  6. Step 6: Final answer
    x = 145,251.82

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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.