Home / 195,974.88-293,981.76-77,727.84

Finding the Fourth Proportional to 195,974.88, 293,981.76 and 77,727.84

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Solution

The fourth proportional to 195,974.88, 293,981.76 and 77,727.84 is: 116,599.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,974.88 : 293,981.76 = 77,727.84 : x
  2. Step 2: Convert to fraction form
    195,974.88/293,981.76 = 77,727.84/x
  3. Step 3: Cross multiply
    195,974.88x = 293,981.76 × 77,727.84
  4. Step 4: Simplify right side
    195,974.88x = 22,850,567,204.20
  5. Step 5: Solve for x
    x = 22,850,567,204.20/195,974.88
  6. Step 6: Final answer
    x = 116,599.47

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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.