Home / 102,901.05-154,151.84-75,834.24

Finding the Fourth Proportional to 102,901.05, 154,151.84 and 75,834.24

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Solution

The fourth proportional to 102,901.05, 154,151.84 and 75,834.24 is: 113,604.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,901.05 : 154,151.84 = 75,834.24 : x
  2. Step 2: Convert to fraction form
    102,901.05/154,151.84 = 75,834.24/x
  3. Step 3: Cross multiply
    102,901.05x = 154,151.84 × 75,834.24
  4. Step 4: Simplify right side
    102,901.05x = 11,689,986,860.24
  5. Step 5: Solve for x
    x = 11,689,986,860.24/102,901.05
  6. Step 6: Final answer
    x = 113,604.16

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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.