Home / 141,884.43-195,801.85-78,224.50

Finding the Fourth Proportional to 141,884.43, 195,801.85 and 78,224.50

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Solution

The fourth proportional to 141,884.43, 195,801.85 and 78,224.50 is: 107,950.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,884.43 : 195,801.85 = 78,224.50 : x
  2. Step 2: Convert to fraction form
    141,884.43/195,801.85 = 78,224.50/x
  3. Step 3: Cross multiply
    141,884.43x = 195,801.85 × 78,224.50
  4. Step 4: Simplify right side
    141,884.43x = 15,316,501,815.33
  5. Step 5: Solve for x
    x = 15,316,501,815.33/141,884.43
  6. Step 6: Final answer
    x = 107,950.55

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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.