Home / 185,761.94-256,344.62-100,877.18

Finding the Fourth Proportional to 185,761.94, 256,344.62 and 100,877.18

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Solution

The fourth proportional to 185,761.94, 256,344.62 and 100,877.18 is: 139,206.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,761.94 : 256,344.62 = 100,877.18 : x
  2. Step 2: Convert to fraction form
    185,761.94/256,344.62 = 100,877.18/x
  3. Step 3: Cross multiply
    185,761.94x = 256,344.62 × 100,877.18
  4. Step 4: Simplify right side
    185,761.94x = 25,859,322,373.77
  5. Step 5: Solve for x
    x = 25,859,322,373.77/185,761.94
  6. Step 6: Final answer
    x = 139,206.78

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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.