Home / 185,562.26-256,074.78-100,677.50

Finding the Fourth Proportional to 185,562.26, 256,074.78 and 100,677.50

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Solution

The fourth proportional to 185,562.26, 256,074.78 and 100,677.50 is: 138,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,562.26 : 256,074.78 = 100,677.50 : x
  2. Step 2: Convert to fraction form
    185,562.26/256,074.78 = 100,677.50/x
  3. Step 3: Cross multiply
    185,562.26x = 256,074.78 × 100,677.50
  4. Step 4: Simplify right side
    185,562.26x = 25,780,968,663.45
  5. Step 5: Solve for x
    x = 25,780,968,663.45/185,562.26
  6. Step 6: Final answer
    x = 138,934.33

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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.