Home / 141,811.91-212,696.69-47,107.98

Finding the Fourth Proportional to 141,811.91, 212,696.69 and 47,107.98

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Solution

The fourth proportional to 141,811.91, 212,696.69 and 47,107.98 is: 70,654.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,811.91 : 212,696.69 = 47,107.98 : x
  2. Step 2: Convert to fraction form
    141,811.91/212,696.69 = 47,107.98/x
  3. Step 3: Cross multiply
    141,811.91x = 212,696.69 × 47,107.98
  4. Step 4: Simplify right side
    141,811.91x = 10,019,711,183.05
  5. Step 5: Solve for x
    x = 10,019,711,183.05/141,811.91
  6. Step 6: Final answer
    x = 70,654.93

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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.