Home / 197,850.89-296,812.80-64,738.61

Finding the Fourth Proportional to 197,850.89, 296,812.80 and 64,738.61

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Solution

The fourth proportional to 197,850.89, 296,812.80 and 64,738.61 is: 97,119.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,850.89 : 296,812.80 = 64,738.61 : x
  2. Step 2: Convert to fraction form
    197,850.89/296,812.80 = 64,738.61/x
  3. Step 3: Cross multiply
    197,850.89x = 296,812.80 × 64,738.61
  4. Step 4: Simplify right side
    197,850.89x = 19,215,248,102.21
  5. Step 5: Solve for x
    x = 19,215,248,102.21/197,850.89
  6. Step 6: Final answer
    x = 97,119.85

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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.