Home / 141,070.20-194,677.11-77,408.49

Finding the Fourth Proportional to 141,070.20, 194,677.11 and 77,408.49

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Solution

The fourth proportional to 141,070.20, 194,677.11 and 77,408.49 is: 106,823.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,070.20 : 194,677.11 = 77,408.49 : x
  2. Step 2: Convert to fraction form
    141,070.20/194,677.11 = 77,408.49/x
  3. Step 3: Cross multiply
    141,070.20x = 194,677.11 × 77,408.49
  4. Step 4: Simplify right side
    141,070.20x = 15,069,661,122.66
  5. Step 5: Solve for x
    x = 15,069,661,122.66/141,070.20
  6. Step 6: Final answer
    x = 106,823.84

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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.