Home / 159,815.88-220,628.84-116,747.01

Finding the Fourth Proportional to 159,815.88, 220,628.84 and 116,747.01

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Solution

The fourth proportional to 159,815.88, 220,628.84 and 116,747.01 is: 161,171.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,815.88 : 220,628.84 = 116,747.01 : x
  2. Step 2: Convert to fraction form
    159,815.88/220,628.84 = 116,747.01/x
  3. Step 3: Cross multiply
    159,815.88x = 220,628.84 × 116,747.01
  4. Step 4: Simplify right side
    159,815.88x = 25,757,756,806.03
  5. Step 5: Solve for x
    x = 25,757,756,806.03/159,815.88
  6. Step 6: Final answer
    x = 161,171.45

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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.