Home / 132,654.06-199,017.51-39,159.78

Finding the Fourth Proportional to 132,654.06, 199,017.51 and 39,159.78

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Solution

The fourth proportional to 132,654.06, 199,017.51 and 39,159.78 is: 58,750.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,654.06 : 199,017.51 = 39,159.78 : x
  2. Step 2: Convert to fraction form
    132,654.06/199,017.51 = 39,159.78/x
  3. Step 3: Cross multiply
    132,654.06x = 199,017.51 × 39,159.78
  4. Step 4: Simplify right side
    132,654.06x = 7,793,481,907.75
  5. Step 5: Solve for x
    x = 7,793,481,907.75/132,654.06
  6. Step 6: Final answer
    x = 58,750.42

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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.