Home / 209,600.52-289,239.62-114,107.54

Finding the Fourth Proportional to 209,600.52, 289,239.62 and 114,107.54

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Solution

The fourth proportional to 209,600.52, 289,239.62 and 114,107.54 is: 157,463.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,600.52 : 289,239.62 = 114,107.54 : x
  2. Step 2: Convert to fraction form
    209,600.52/289,239.62 = 114,107.54/x
  3. Step 3: Cross multiply
    209,600.52x = 289,239.62 × 114,107.54
  4. Step 4: Simplify right side
    209,600.52x = 33,004,421,508.73
  5. Step 5: Solve for x
    x = 33,004,421,508.73/209,600.52
  6. Step 6: Final answer
    x = 157,463.45

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1.5x scale

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.