Home / 200,337.19-276,464.31-109,691.51

Finding the Fourth Proportional to 200,337.19, 276,464.31 and 109,691.51

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Solution

The fourth proportional to 200,337.19, 276,464.31 and 109,691.51 is: 151,373.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,337.19 : 276,464.31 = 109,691.51 : x
  2. Step 2: Convert to fraction form
    200,337.19/276,464.31 = 109,691.51/x
  3. Step 3: Cross multiply
    200,337.19x = 276,464.31 × 109,691.51
  4. Step 4: Simplify right side
    200,337.19x = 30,325,786,242.69
  5. Step 5: Solve for x
    x = 30,325,786,242.69/200,337.19
  6. Step 6: Final answer
    x = 151,373.72

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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.