Home / 222,986.32-307,641.68-132,272.80

Finding the Fourth Proportional to 222,986.32, 307,641.68 and 132,272.80

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Solution

The fourth proportional to 222,986.32, 307,641.68 and 132,272.80 is: 182,489.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,986.32 : 307,641.68 = 132,272.80 : x
  2. Step 2: Convert to fraction form
    222,986.32/307,641.68 = 132,272.80/x
  3. Step 3: Cross multiply
    222,986.32x = 307,641.68 × 132,272.80
  4. Step 4: Simplify right side
    222,986.32x = 40,692,626,410.30
  5. Step 5: Solve for x
    x = 40,692,626,410.30/222,986.32
  6. Step 6: Final answer
    x = 182,489.34

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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.