Home / 312,251.18-468,089.71-112,522.73

Finding the Fourth Proportional to 312,251.18, 468,089.71 and 112,522.73

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Solution

The fourth proportional to 312,251.18, 468,089.71 and 112,522.73 is: 168,680.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,251.18 : 468,089.71 = 112,522.73 : x
  2. Step 2: Convert to fraction form
    312,251.18/468,089.71 = 112,522.73/x
  3. Step 3: Cross multiply
    312,251.18x = 468,089.71 × 112,522.73
  4. Step 4: Simplify right side
    312,251.18x = 52,670,729,432.35
  5. Step 5: Solve for x
    x = 52,670,729,432.35/312,251.18
  6. Step 6: Final answer
    x = 168,680.64

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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.