Home / 114,747.12-158,351.64-64,446.64

Finding the Fourth Proportional to 114,747.12, 158,351.64 and 64,446.64

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Solution

The fourth proportional to 114,747.12, 158,351.64 and 64,446.64 is: 88,936.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,747.12 : 158,351.64 = 64,446.64 : x
  2. Step 2: Convert to fraction form
    114,747.12/158,351.64 = 64,446.64/x
  3. Step 3: Cross multiply
    114,747.12x = 158,351.64 × 64,446.64
  4. Step 4: Simplify right side
    114,747.12x = 10,205,231,136.49
  5. Step 5: Solve for x
    x = 10,205,231,136.49/114,747.12
  6. Step 6: Final answer
    x = 88,936.71

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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.