Home / 182,919.66-252,435.89-100,139.45

Finding the Fourth Proportional to 182,919.66, 252,435.89 and 100,139.45

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Solution

The fourth proportional to 182,919.66, 252,435.89 and 100,139.45 is: 138,196.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,919.66 : 252,435.89 = 100,139.45 : x
  2. Step 2: Convert to fraction form
    182,919.66/252,435.89 = 100,139.45/x
  3. Step 3: Cross multiply
    182,919.66x = 252,435.89 × 100,139.45
  4. Step 4: Simplify right side
    182,919.66x = 25,278,791,119.66
  5. Step 5: Solve for x
    x = 25,278,791,119.66/182,919.66
  6. Step 6: Final answer
    x = 138,196.14

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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.