Home / 185,707.46-256,276.29-100,824.53

Finding the Fourth Proportional to 185,707.46, 256,276.29 and 100,824.53

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Solution

The fourth proportional to 185,707.46, 256,276.29 and 100,824.53 is: 139,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,707.46 : 256,276.29 = 100,824.53 : x
  2. Step 2: Convert to fraction form
    185,707.46/256,276.29 = 100,824.53/x
  3. Step 3: Cross multiply
    185,707.46x = 256,276.29 × 100,824.53
  4. Step 4: Simplify right side
    185,707.46x = 25,838,936,489.39
  5. Step 5: Solve for x
    x = 25,838,936,489.39/185,707.46
  6. Step 6: Final answer
    x = 139,137.85

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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.