Home / 196,225.70-294,338.55-77,836.10

Finding the Fourth Proportional to 196,225.70, 294,338.55 and 77,836.10

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Solution

The fourth proportional to 196,225.70, 294,338.55 and 77,836.10 is: 116,754.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,225.70 : 294,338.55 = 77,836.10 : x
  2. Step 2: Convert to fraction form
    196,225.70/294,338.55 = 77,836.10/x
  3. Step 3: Cross multiply
    196,225.70x = 294,338.55 × 77,836.10
  4. Step 4: Simplify right side
    196,225.70x = 22,910,164,811.66
  5. Step 5: Solve for x
    x = 22,910,164,811.66/196,225.70
  6. Step 6: Final answer
    x = 116,754.15

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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.