Home / 141,204.25-194,861.87-77,543.11

Finding the Fourth Proportional to 141,204.25, 194,861.87 and 77,543.11

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Solution

The fourth proportional to 141,204.25, 194,861.87 and 77,543.11 is: 107,009.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,204.25 : 194,861.87 = 77,543.11 : x
  2. Step 2: Convert to fraction form
    141,204.25/194,861.87 = 77,543.11/x
  3. Step 3: Cross multiply
    141,204.25x = 194,861.87 × 77,543.11
  4. Step 4: Simplify right side
    141,204.25x = 15,110,195,420.22
  5. Step 5: Solve for x
    x = 15,110,195,420.22/141,204.25
  6. Step 6: Final answer
    x = 107,009.49

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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.