Home / 141,220.86-194,850.02-79,968.45

Finding the Fourth Proportional to 141,220.86, 194,850.02 and 79,968.45

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Solution

The fourth proportional to 141,220.86, 194,850.02 and 79,968.45 is: 110,336.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,220.86 : 194,850.02 = 79,968.45 : x
  2. Step 2: Convert to fraction form
    141,220.86/194,850.02 = 79,968.45/x
  3. Step 3: Cross multiply
    141,220.86x = 194,850.02 × 79,968.45
  4. Step 4: Simplify right side
    141,220.86x = 15,581,854,081.87
  5. Step 5: Solve for x
    x = 15,581,854,081.87/141,220.86
  6. Step 6: Final answer
    x = 110,336.77

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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.