Home / 185,647.50-256,198.14-100,764.36

Finding the Fourth Proportional to 185,647.50, 256,198.14 and 100,764.36

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Solution

The fourth proportional to 185,647.50, 256,198.14 and 100,764.36 is: 139,057.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,647.50 : 256,198.14 = 100,764.36 : x
  2. Step 2: Convert to fraction form
    185,647.50/256,198.14 = 100,764.36/x
  3. Step 3: Cross multiply
    185,647.50x = 256,198.14 × 100,764.36
  4. Step 4: Simplify right side
    185,647.50x = 25,815,641,610.29
  5. Step 5: Solve for x
    x = 25,815,641,610.29/185,647.50
  6. Step 6: Final answer
    x = 139,057.31

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1.5x scale

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.