Home / 168,764.10-253,146.39-68,924.31

Finding the Fourth Proportional to 168,764.10, 253,146.39 and 68,924.31

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Solution

The fourth proportional to 168,764.10, 253,146.39 and 68,924.31 is: 103,386.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,764.10 : 253,146.39 = 68,924.31 : x
  2. Step 2: Convert to fraction form
    168,764.10/253,146.39 = 68,924.31/x
  3. Step 3: Cross multiply
    168,764.10x = 253,146.39 × 68,924.31
  4. Step 4: Simplify right side
    168,764.10x = 17,447,940,259.74
  5. Step 5: Solve for x
    x = 17,447,940,259.74/168,764.10
  6. Step 6: Final answer
    x = 103,386.56

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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.