Home / 121,086.23-181,636.17-36,849.14

Finding the Fourth Proportional to 121,086.23, 181,636.17 and 36,849.14

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Solution

The fourth proportional to 121,086.23, 181,636.17 and 36,849.14 is: 55,275.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,086.23 : 181,636.17 = 36,849.14 : x
  2. Step 2: Convert to fraction form
    121,086.23/181,636.17 = 36,849.14/x
  3. Step 3: Cross multiply
    121,086.23x = 181,636.17 × 36,849.14
  4. Step 4: Simplify right side
    121,086.23x = 6,693,135,749.21
  5. Step 5: Solve for x
    x = 6,693,135,749.21/121,086.23
  6. Step 6: Final answer
    x = 55,275.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.