Home / 168,890.76-253,193.07-74,049.07

Finding the Fourth Proportional to 168,890.76, 253,193.07 and 74,049.07

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Solution

The fourth proportional to 168,890.76, 253,193.07 and 74,049.07 is: 111,010.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,890.76 : 253,193.07 = 74,049.07 : x
  2. Step 2: Convert to fraction form
    168,890.76/253,193.07 = 74,049.07/x
  3. Step 3: Cross multiply
    168,890.76x = 253,193.07 × 74,049.07
  4. Step 4: Simplify right side
    168,890.76x = 18,748,710,858.59
  5. Step 5: Solve for x
    x = 18,748,710,858.59/168,890.76
  6. Step 6: Final answer
    x = 111,010.87

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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.