Home / 202,449.38-279,380.14-117,571.91

Finding the Fourth Proportional to 202,449.38, 279,380.14 and 117,571.91

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Solution

The fourth proportional to 202,449.38, 279,380.14 and 117,571.91 is: 162,249.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,449.38 : 279,380.14 = 117,571.91 : x
  2. Step 2: Convert to fraction form
    202,449.38/279,380.14 = 117,571.91/x
  3. Step 3: Cross multiply
    202,449.38x = 279,380.14 × 117,571.91
  4. Step 4: Simplify right side
    202,449.38x = 32,847,254,985.04
  5. Step 5: Solve for x
    x = 32,847,254,985.04/202,449.38
  6. Step 6: Final answer
    x = 162,249.23

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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.