Home / 192,479.20-288,718.94-52,237.82

Finding the Fourth Proportional to 192,479.20, 288,718.94 and 52,237.82

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Solution

The fourth proportional to 192,479.20, 288,718.94 and 52,237.82 is: 78,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,479.20 : 288,718.94 = 52,237.82 : x
  2. Step 2: Convert to fraction form
    192,479.20/288,718.94 = 52,237.82/x
  3. Step 3: Cross multiply
    192,479.20x = 288,718.94 × 52,237.82
  4. Step 4: Simplify right side
    192,479.20x = 15,082,048,870.70
  5. Step 5: Solve for x
    x = 15,082,048,870.70/192,479.20
  6. Step 6: Final answer
    x = 78,356.77

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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.