Home / 113,904.52-170,759.56-80,519.56

Finding the Fourth Proportional to 113,904.52, 170,759.56 and 80,519.56

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Solution

The fourth proportional to 113,904.52, 170,759.56 and 80,519.56 is: 120,710.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,904.52 : 170,759.56 = 80,519.56 : x
  2. Step 2: Convert to fraction form
    113,904.52/170,759.56 = 80,519.56/x
  3. Step 3: Cross multiply
    113,904.52x = 170,759.56 × 80,519.56
  4. Step 4: Simplify right side
    113,904.52x = 13,749,484,636.99
  5. Step 5: Solve for x
    x = 13,749,484,636.99/113,904.52
  6. Step 6: Final answer
    x = 120,710.61

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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.