Home / 141,982.92-212,951.81-47,205.22

Finding the Fourth Proportional to 141,982.92, 212,951.81 and 47,205.22

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Solution

The fourth proportional to 141,982.92, 212,951.81 and 47,205.22 is: 70,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,982.92 : 212,951.81 = 47,205.22 : x
  2. Step 2: Convert to fraction form
    141,982.92/212,951.81 = 47,205.22/x
  3. Step 3: Cross multiply
    141,982.92x = 212,951.81 × 47,205.22
  4. Step 4: Simplify right side
    141,982.92x = 10,052,437,040.45
  5. Step 5: Solve for x
    x = 10,052,437,040.45/141,982.92
  6. Step 6: Final answer
    x = 70,800.33

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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.