Home / 141,405.30-211,932.99-71,246.34

Finding the Fourth Proportional to 141,405.30, 211,932.99 and 71,246.34

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Solution

The fourth proportional to 141,405.30, 211,932.99 and 71,246.34 is: 106,781.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,405.30 : 211,932.99 = 71,246.34 : x
  2. Step 2: Convert to fraction form
    141,405.30/211,932.99 = 71,246.34/x
  3. Step 3: Cross multiply
    141,405.30x = 211,932.99 × 71,246.34
  4. Step 4: Simplify right side
    141,405.30x = 15,099,449,862.76
  5. Step 5: Solve for x
    x = 15,099,449,862.76/141,405.30
  6. Step 6: Final answer
    x = 106,781.36

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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.