Home / 185,647.90-256,187.24-100,763.14

Finding the Fourth Proportional to 185,647.90, 256,187.24 and 100,763.14

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Solution

The fourth proportional to 185,647.90, 256,187.24 and 100,763.14 is: 139,049.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,647.90 : 256,187.24 = 100,763.14 : x
  2. Step 2: Convert to fraction form
    185,647.90/256,187.24 = 100,763.14/x
  3. Step 3: Cross multiply
    185,647.90x = 256,187.24 × 100,763.14
  4. Step 4: Simplify right side
    185,647.90x = 25,814,230,730.33
  5. Step 5: Solve for x
    x = 25,814,230,730.33/185,647.90
  6. Step 6: Final answer
    x = 139,049.41

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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.