Home / 168,905.25-253,357.88-63,699.62

Finding the Fourth Proportional to 168,905.25, 253,357.88 and 63,699.62

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Solution

The fourth proportional to 168,905.25, 253,357.88 and 63,699.62 is: 95,549.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,905.25 : 253,357.88 = 63,699.62 : x
  2. Step 2: Convert to fraction form
    168,905.25/253,357.88 = 63,699.62/x
  3. Step 3: Cross multiply
    168,905.25x = 253,357.88 × 63,699.62
  4. Step 4: Simplify right side
    168,905.25x = 16,138,799,094.72
  5. Step 5: Solve for x
    x = 16,138,799,094.72/168,905.25
  6. Step 6: Final answer
    x = 95,549.42

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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.