Home / 191,987.67-264,943.10-107,104.73

Finding the Fourth Proportional to 191,987.67, 264,943.10 and 107,104.73

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Solution

The fourth proportional to 191,987.67, 264,943.10 and 107,104.73 is: 147,804.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,987.67 : 264,943.10 = 107,104.73 : x
  2. Step 2: Convert to fraction form
    191,987.67/264,943.10 = 107,104.73/x
  3. Step 3: Cross multiply
    191,987.67x = 264,943.10 × 107,104.73
  4. Step 4: Simplify right side
    191,987.67x = 28,376,659,190.86
  5. Step 5: Solve for x
    x = 28,376,659,190.86/191,987.67
  6. Step 6: Final answer
    x = 147,804.59

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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.