Home / 197,771.91-296,538.26-77,685.11

Finding the Fourth Proportional to 197,771.91, 296,538.26 and 77,685.11

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Solution

The fourth proportional to 197,771.91, 296,538.26 and 77,685.11 is: 116,480.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,771.91 : 296,538.26 = 77,685.11 : x
  2. Step 2: Convert to fraction form
    197,771.91/296,538.26 = 77,685.11/x
  3. Step 3: Cross multiply
    197,771.91x = 296,538.26 × 77,685.11
  4. Step 4: Simplify right side
    197,771.91x = 23,036,605,476.19
  5. Step 5: Solve for x
    x = 23,036,605,476.19/197,771.91
  6. Step 6: Final answer
    x = 116,480.67

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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.