Home / 288,882.22-398,757.68-198,537.26

Finding the Fourth Proportional to 288,882.22, 398,757.68 and 198,537.26

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Solution

The fourth proportional to 288,882.22, 398,757.68 and 198,537.26 is: 274,050.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,882.22 : 398,757.68 = 198,537.26 : x
  2. Step 2: Convert to fraction form
    288,882.22/398,757.68 = 198,537.26/x
  3. Step 3: Cross multiply
    288,882.22x = 398,757.68 × 198,537.26
  4. Step 4: Simplify right side
    288,882.22x = 79,168,257,191.16
  5. Step 5: Solve for x
    x = 79,168,257,191.16/288,882.22
  6. Step 6: Final answer
    x = 274,050.29

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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.