Home / 141,064.20-194,668.83-77,402.48

Finding the Fourth Proportional to 141,064.20, 194,668.83 and 77,402.48

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Solution

The fourth proportional to 141,064.20, 194,668.83 and 77,402.48 is: 106,815.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,064.20 : 194,668.83 = 77,402.48 : x
  2. Step 2: Convert to fraction form
    141,064.20/194,668.83 = 77,402.48/x
  3. Step 3: Cross multiply
    141,064.20x = 194,668.83 × 77,402.48
  4. Step 4: Simplify right side
    141,064.20x = 15,067,849,247.35
  5. Step 5: Solve for x
    x = 15,067,849,247.35/141,064.20
  6. Step 6: Final answer
    x = 106,815.54

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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.