Home / 136,721.88-205,097.46-57,844.08

Finding the Fourth Proportional to 136,721.88, 205,097.46 and 57,844.08

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Solution

The fourth proportional to 136,721.88, 205,097.46 and 57,844.08 is: 86,772.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,721.88 : 205,097.46 = 57,844.08 : x
  2. Step 2: Convert to fraction form
    136,721.88/205,097.46 = 57,844.08/x
  3. Step 3: Cross multiply
    136,721.88x = 205,097.46 × 57,844.08
  4. Step 4: Simplify right side
    136,721.88x = 11,863,673,884.04
  5. Step 5: Solve for x
    x = 11,863,673,884.04/136,721.88
  6. Step 6: Final answer
    x = 86,772.31

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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.