Home / 168,589.12-232,657.68-93,142.48

Finding the Fourth Proportional to 168,589.12, 232,657.68 and 93,142.48

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Solution

The fourth proportional to 168,589.12, 232,657.68 and 93,142.48 is: 128,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,589.12 : 232,657.68 = 93,142.48 : x
  2. Step 2: Convert to fraction form
    168,589.12/232,657.68 = 93,142.48/x
  3. Step 3: Cross multiply
    168,589.12x = 232,657.68 × 93,142.48
  4. Step 4: Simplify right side
    168,589.12x = 21,670,313,306.25
  5. Step 5: Solve for x
    x = 21,670,313,306.25/168,589.12
  6. Step 6: Final answer
    x = 128,539.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.