Home / 135,645.77-187,193.41-75,218.96

Finding the Fourth Proportional to 135,645.77, 187,193.41 and 75,218.96

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Solution

The fourth proportional to 135,645.77, 187,193.41 and 75,218.96 is: 103,803.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,645.77 : 187,193.41 = 75,218.96 : x
  2. Step 2: Convert to fraction form
    135,645.77/187,193.41 = 75,218.96/x
  3. Step 3: Cross multiply
    135,645.77x = 187,193.41 × 75,218.96
  4. Step 4: Simplify right side
    135,645.77x = 14,080,493,898.99
  5. Step 5: Solve for x
    x = 14,080,493,898.99/135,645.77
  6. Step 6: Final answer
    x = 103,803.41

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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.