Home / 200,575.23-276,781.25-109,924.76

Finding the Fourth Proportional to 200,575.23, 276,781.25 and 109,924.76

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Solution

The fourth proportional to 200,575.23, 276,781.25 and 109,924.76 is: 151,689.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,575.23 : 276,781.25 = 109,924.76 : x
  2. Step 2: Convert to fraction form
    200,575.23/276,781.25 = 109,924.76/x
  3. Step 3: Cross multiply
    200,575.23x = 276,781.25 × 109,924.76
  4. Step 4: Simplify right side
    200,575.23x = 30,425,113,445.52
  5. Step 5: Solve for x
    x = 30,425,113,445.52/200,575.23
  6. Step 6: Final answer
    x = 151,689.29

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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.