Home / 141,907.84-195,834.18-78,247.96

Finding the Fourth Proportional to 141,907.84, 195,834.18 and 78,247.96

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Solution

The fourth proportional to 141,907.84, 195,834.18 and 78,247.96 is: 107,982.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,907.84 : 195,834.18 = 78,247.96 : x
  2. Step 2: Convert to fraction form
    141,907.84/195,834.18 = 78,247.96/x
  3. Step 3: Cross multiply
    141,907.84x = 195,834.18 × 78,247.96
  4. Step 4: Simplify right side
    141,907.84x = 15,323,625,083.27
  5. Step 5: Solve for x
    x = 15,323,625,083.27/141,907.84
  6. Step 6: Final answer
    x = 107,982.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.