Home / 141,857.44-195,763.80-78,193.84

Finding the Fourth Proportional to 141,857.44, 195,763.80 and 78,193.84

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Solution

The fourth proportional to 141,857.44, 195,763.80 and 78,193.84 is: 107,907.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,857.44 : 195,763.80 = 78,193.84 : x
  2. Step 2: Convert to fraction form
    141,857.44/195,763.80 = 78,193.84/x
  3. Step 3: Cross multiply
    141,857.44x = 195,763.80 × 78,193.84
  4. Step 4: Simplify right side
    141,857.44x = 15,307,523,254.99
  5. Step 5: Solve for x
    x = 15,307,523,254.99/141,857.44
  6. Step 6: Final answer
    x = 107,907.79

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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.