Home / 168,740.32-232,865.33-100,744.62

Finding the Fourth Proportional to 168,740.32, 232,865.33 and 100,744.62

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Solution

The fourth proportional to 168,740.32, 232,865.33 and 100,744.62 is: 139,029.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,740.32 : 232,865.33 = 100,744.62 : x
  2. Step 2: Convert to fraction form
    168,740.32/232,865.33 = 100,744.62/x
  3. Step 3: Cross multiply
    168,740.32x = 232,865.33 × 100,744.62
  4. Step 4: Simplify right side
    168,740.32x = 23,459,929,182.02
  5. Step 5: Solve for x
    x = 23,459,929,182.02/168,740.32
  6. Step 6: Final answer
    x = 139,029.78

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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.