Home / 288,822.24-398,575.62-161,528.04

Finding the Fourth Proportional to 288,822.24, 398,575.62 and 161,528.04

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Solution

The fourth proportional to 288,822.24, 398,575.62 and 161,528.04 is: 222,909.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,822.24 : 398,575.62 = 161,528.04 : x
  2. Step 2: Convert to fraction form
    288,822.24/398,575.62 = 161,528.04/x
  3. Step 3: Cross multiply
    288,822.24x = 398,575.62 × 161,528.04
  4. Step 4: Simplify right side
    288,822.24x = 64,381,138,690.38
  5. Step 5: Solve for x
    x = 64,381,138,690.38/288,822.24
  6. Step 6: Final answer
    x = 222,909.21

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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.