Home / 334,067.13-501,128.78-109,422.81

Finding the Fourth Proportional to 334,067.13, 501,128.78 and 109,422.81

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Solution

The fourth proportional to 334,067.13, 501,128.78 and 109,422.81 is: 164,143.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,067.13 : 501,128.78 = 109,422.81 : x
  2. Step 2: Convert to fraction form
    334,067.13/501,128.78 = 109,422.81/x
  3. Step 3: Cross multiply
    334,067.13x = 501,128.78 × 109,422.81
  4. Step 4: Simplify right side
    334,067.13x = 54,834,918,732.36
  5. Step 5: Solve for x
    x = 54,834,918,732.36/334,067.13
  6. Step 6: Final answer
    x = 164,143.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.