Home / 141,673.88-195,505.35-78,010.04

Finding the Fourth Proportional to 141,673.88, 195,505.35 and 78,010.04

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Solution

The fourth proportional to 141,673.88, 195,505.35 and 78,010.04 is: 107,651.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,673.88 : 195,505.35 = 78,010.04 : x
  2. Step 2: Convert to fraction form
    141,673.88/195,505.35 = 78,010.04/x
  3. Step 3: Cross multiply
    141,673.88x = 195,505.35 × 78,010.04
  4. Step 4: Simplify right side
    141,673.88x = 15,251,379,196.19
  5. Step 5: Solve for x
    x = 15,251,379,196.19/141,673.88
  6. Step 6: Final answer
    x = 107,651.32

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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.