Home / 230,067.84-345,135.76-117,811.52

Finding the Fourth Proportional to 230,067.84, 345,135.76 and 117,811.52

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Solution

The fourth proportional to 230,067.84, 345,135.76 and 117,811.52 is: 176,734.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,067.84 : 345,135.76 = 117,811.52 : x
  2. Step 2: Convert to fraction form
    230,067.84/345,135.76 = 117,811.52/x
  3. Step 3: Cross multiply
    230,067.84x = 345,135.76 × 117,811.52
  4. Step 4: Simplify right side
    230,067.84x = 40,660,968,491.96
  5. Step 5: Solve for x
    x = 40,660,968,491.96/230,067.84
  6. Step 6: Final answer
    x = 176,734.69

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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.