Home / 185,750.76-256,333.80-100,868.43

Finding the Fourth Proportional to 185,750.76, 256,333.80 and 100,868.43

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Solution

The fourth proportional to 185,750.76, 256,333.80 and 100,868.43 is: 139,197.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,750.76 : 256,333.80 = 100,868.43 : x
  2. Step 2: Convert to fraction form
    185,750.76/256,333.80 = 100,868.43/x
  3. Step 3: Cross multiply
    185,750.76x = 256,333.80 × 100,868.43
  4. Step 4: Simplify right side
    185,750.76x = 25,855,987,961.93
  5. Step 5: Solve for x
    x = 25,855,987,961.93/185,750.76
  6. Step 6: Final answer
    x = 139,197.21

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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.