Home / 209,815.24-289,545.07-114,321.93

Finding the Fourth Proportional to 209,815.24, 289,545.07 and 114,321.93

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Solution

The fourth proportional to 209,815.24, 289,545.07 and 114,321.93 is: 157,764.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,815.24 : 289,545.07 = 114,321.93 : x
  2. Step 2: Convert to fraction form
    209,815.24/289,545.07 = 114,321.93/x
  3. Step 3: Cross multiply
    209,815.24x = 289,545.07 × 114,321.93
  4. Step 4: Simplify right side
    209,815.24x = 33,101,351,535.07
  5. Step 5: Solve for x
    x = 33,101,351,535.07/209,815.24
  6. Step 6: Final answer
    x = 157,764.29

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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.