Home / 106,265.21-159,398.15-43,086.42

Finding the Fourth Proportional to 106,265.21, 159,398.15 and 43,086.42

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Solution

The fourth proportional to 106,265.21, 159,398.15 and 43,086.42 is: 64,629.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,265.21 : 159,398.15 = 43,086.42 : x
  2. Step 2: Convert to fraction form
    106,265.21/159,398.15 = 43,086.42/x
  3. Step 3: Cross multiply
    106,265.21x = 159,398.15 × 43,086.42
  4. Step 4: Simplify right side
    106,265.21x = 6,867,895,422.69
  5. Step 5: Solve for x
    x = 6,867,895,422.69/106,265.21
  6. Step 6: Final answer
    x = 64,629.77

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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.