Home / 159,815.57-220,628.41-116,746.70

Finding the Fourth Proportional to 159,815.57, 220,628.41 and 116,746.70

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Solution

The fourth proportional to 159,815.57, 220,628.41 and 116,746.70 is: 161,171.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,815.57 : 220,628.41 = 116,746.70 : x
  2. Step 2: Convert to fraction form
    159,815.57/220,628.41 = 116,746.70/x
  3. Step 3: Cross multiply
    159,815.57x = 220,628.41 × 116,746.70
  4. Step 4: Simplify right side
    159,815.57x = 25,757,637,658.44
  5. Step 5: Solve for x
    x = 25,757,637,658.44/159,815.57
  6. Step 6: Final answer
    x = 161,171.02

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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.