Home / 141,836.86-195,736.23-78,177.10

Finding the Fourth Proportional to 141,836.86, 195,736.23 and 78,177.10

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Solution

The fourth proportional to 141,836.86, 195,736.23 and 78,177.10 is: 107,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,836.86 : 195,736.23 = 78,177.10 : x
  2. Step 2: Convert to fraction form
    141,836.86/195,736.23 = 78,177.10/x
  3. Step 3: Cross multiply
    141,836.86x = 195,736.23 × 78,177.10
  4. Step 4: Simplify right side
    141,836.86x = 15,302,090,826.33
  5. Step 5: Solve for x
    x = 15,302,090,826.33/141,836.86
  6. Step 6: Final answer
    x = 107,885.15

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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.