Home / 119,997.18-165,501.63-111,949.02

Finding the Fourth Proportional to 119,997.18, 165,501.63 and 111,949.02

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Solution

The fourth proportional to 119,997.18, 165,501.63 and 111,949.02 is: 154,401.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,997.18 : 165,501.63 = 111,949.02 : x
  2. Step 2: Convert to fraction form
    119,997.18/165,501.63 = 111,949.02/x
  3. Step 3: Cross multiply
    119,997.18x = 165,501.63 × 111,949.02
  4. Step 4: Simplify right side
    119,997.18x = 18,527,745,286.90
  5. Step 5: Solve for x
    x = 18,527,745,286.90/119,997.18
  6. Step 6: Final answer
    x = 154,401.51

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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.