Home / 143,949.28-215,916.14-44,109.76

Finding the Fourth Proportional to 143,949.28, 215,916.14 and 44,109.76

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Solution

The fourth proportional to 143,949.28, 215,916.14 and 44,109.76 is: 66,162.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,949.28 : 215,916.14 = 44,109.76 : x
  2. Step 2: Convert to fraction form
    143,949.28/215,916.14 = 44,109.76/x
  3. Step 3: Cross multiply
    143,949.28x = 215,916.14 × 44,109.76
  4. Step 4: Simplify right side
    143,949.28x = 9,524,009,115.53
  5. Step 5: Solve for x
    x = 9,524,009,115.53/143,949.28
  6. Step 6: Final answer
    x = 66,162.26

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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.