Home / 288,556.28-398,200.20-161,232.92

Finding the Fourth Proportional to 288,556.28, 398,200.20 and 161,232.92

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Solution

The fourth proportional to 288,556.28, 398,200.20 and 161,232.92 is: 222,497.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,556.28 : 398,200.20 = 161,232.92 : x
  2. Step 2: Convert to fraction form
    288,556.28/398,200.20 = 161,232.92/x
  3. Step 3: Cross multiply
    288,556.28x = 398,200.20 × 161,232.92
  4. Step 4: Simplify right side
    288,556.28x = 64,202,980,990.58
  5. Step 5: Solve for x
    x = 64,202,980,990.58/288,556.28
  6. Step 6: Final answer
    x = 222,497.26

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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.