Home / 132,809.25-199,252.89-39,317.43

Finding the Fourth Proportional to 132,809.25, 199,252.89 and 39,317.43

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Solution

The fourth proportional to 132,809.25, 199,252.89 and 39,317.43 is: 58,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,809.25 : 199,252.89 = 39,317.43 : x
  2. Step 2: Convert to fraction form
    132,809.25/199,252.89 = 39,317.43/x
  3. Step 3: Cross multiply
    132,809.25x = 199,252.89 × 39,317.43
  4. Step 4: Simplify right side
    132,809.25x = 7,834,111,554.87
  5. Step 5: Solve for x
    x = 7,834,111,554.87/132,809.25
  6. Step 6: Final answer
    x = 58,987.70

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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.