Home / 113,200.22-169,578.45-65,715.73

Finding the Fourth Proportional to 113,200.22, 169,578.45 and 65,715.73

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Solution

The fourth proportional to 113,200.22, 169,578.45 and 65,715.73 is: 98,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,200.22 : 169,578.45 = 65,715.73 : x
  2. Step 2: Convert to fraction form
    113,200.22/169,578.45 = 65,715.73/x
  3. Step 3: Cross multiply
    113,200.22x = 169,578.45 × 65,715.73
  4. Step 4: Simplify right side
    113,200.22x = 11,143,971,634.02
  5. Step 5: Solve for x
    x = 11,143,971,634.02/113,200.22
  6. Step 6: Final answer
    x = 98,444.79

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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.