Home / 158,772.96-238,161.36-68,795.04

Finding the Fourth Proportional to 158,772.96, 238,161.36 and 68,795.04

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Solution

The fourth proportional to 158,772.96, 238,161.36 and 68,795.04 is: 103,193.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,772.96 : 238,161.36 = 68,795.04 : x
  2. Step 2: Convert to fraction form
    158,772.96/238,161.36 = 68,795.04/x
  3. Step 3: Cross multiply
    158,772.96x = 238,161.36 × 68,795.04
  4. Step 4: Simplify right side
    158,772.96x = 16,384,320,287.65
  5. Step 5: Solve for x
    x = 16,384,320,287.65/158,772.96
  6. Step 6: Final answer
    x = 103,193.39

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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.