Home / 185,705.46-256,276.62-100,822.50

Finding the Fourth Proportional to 185,705.46, 256,276.62 and 100,822.50

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Solution

The fourth proportional to 185,705.46, 256,276.62 and 100,822.50 is: 139,136.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,705.46 : 256,276.62 = 100,822.50 : x
  2. Step 2: Convert to fraction form
    185,705.46/256,276.62 = 100,822.50/x
  3. Step 3: Cross multiply
    185,705.46x = 256,276.62 × 100,822.50
  4. Step 4: Simplify right side
    185,705.46x = 25,838,449,519.95
  5. Step 5: Solve for x
    x = 25,838,449,519.95/185,705.46
  6. Step 6: Final answer
    x = 139,136.73

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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.