Home / 168,819.41-233,042.52-105,188.64

Finding the Fourth Proportional to 168,819.41, 233,042.52 and 105,188.64

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Solution

The fourth proportional to 168,819.41, 233,042.52 and 105,188.64 is: 145,205.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,819.41 : 233,042.52 = 105,188.64 : x
  2. Step 2: Convert to fraction form
    168,819.41/233,042.52 = 105,188.64/x
  3. Step 3: Cross multiply
    168,819.41x = 233,042.52 × 105,188.64
  4. Step 4: Simplify right side
    168,819.41x = 24,513,425,740.97
  5. Step 5: Solve for x
    x = 24,513,425,740.97/168,819.41
  6. Step 6: Final answer
    x = 145,205.02

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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.