Home / 141,898.76-195,821.82-77,367.47

Finding the Fourth Proportional to 141,898.76, 195,821.82 and 77,367.47

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Solution

The fourth proportional to 141,898.76, 195,821.82 and 77,367.47 is: 106,767.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,898.76 : 195,821.82 = 77,367.47 : x
  2. Step 2: Convert to fraction form
    141,898.76/195,821.82 = 77,367.47/x
  3. Step 3: Cross multiply
    141,898.76x = 195,821.82 × 77,367.47
  4. Step 4: Simplify right side
    141,898.76x = 15,150,238,784.20
  5. Step 5: Solve for x
    x = 15,150,238,784.20/141,898.76
  6. Step 6: Final answer
    x = 106,767.94

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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.