Home / 168,738.28-253,124.70-63,645.64

Finding the Fourth Proportional to 168,738.28, 253,124.70 and 63,645.64

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Solution

The fourth proportional to 168,738.28, 253,124.70 and 63,645.64 is: 95,474.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,738.28 : 253,124.70 = 63,645.64 : x
  2. Step 2: Convert to fraction form
    168,738.28/253,124.70 = 63,645.64/x
  3. Step 3: Cross multiply
    168,738.28x = 253,124.70 × 63,645.64
  4. Step 4: Simplify right side
    168,738.28x = 16,110,283,531.31
  5. Step 5: Solve for x
    x = 16,110,283,531.31/168,738.28
  6. Step 6: Final answer
    x = 95,474.98

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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.