Home / 197,794.09-296,579.36-77,888.17

Finding the Fourth Proportional to 197,794.09, 296,579.36 and 77,888.17

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Solution

The fourth proportional to 197,794.09, 296,579.36 and 77,888.17 is: 116,788.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,794.09 : 296,579.36 = 77,888.17 : x
  2. Step 2: Convert to fraction form
    197,794.09/296,579.36 = 77,888.17/x
  3. Step 3: Cross multiply
    197,794.09x = 296,579.36 × 77,888.17
  4. Step 4: Simplify right side
    197,794.09x = 23,100,023,220.73
  5. Step 5: Solve for x
    x = 23,100,023,220.73/197,794.09
  6. Step 6: Final answer
    x = 116,788.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.