Home / 197,577.36-296,388.72-64,419.84

Finding the Fourth Proportional to 197,577.36, 296,388.72 and 64,419.84

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Solution

The fourth proportional to 197,577.36, 296,388.72 and 64,419.84 is: 96,637.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,577.36 : 296,388.72 = 64,419.84 : x
  2. Step 2: Convert to fraction form
    197,577.36/296,388.72 = 64,419.84/x
  3. Step 3: Cross multiply
    197,577.36x = 296,388.72 × 64,419.84
  4. Step 4: Simplify right side
    197,577.36x = 19,093,313,920.20
  5. Step 5: Solve for x
    x = 19,093,313,920.20/197,577.36
  6. Step 6: Final answer
    x = 96,637.15

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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.