Home / 196,711.38-294,994.78-70,317.52

Finding the Fourth Proportional to 196,711.38, 294,994.78 and 70,317.52

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Solution

The fourth proportional to 196,711.38, 294,994.78 and 70,317.52 is: 105,450.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,711.38 : 294,994.78 = 70,317.52 : x
  2. Step 2: Convert to fraction form
    196,711.38/294,994.78 = 70,317.52/x
  3. Step 3: Cross multiply
    196,711.38x = 294,994.78 × 70,317.52
  4. Step 4: Simplify right side
    196,711.38x = 20,743,301,342.55
  5. Step 5: Solve for x
    x = 20,743,301,342.55/196,711.38
  6. Step 6: Final answer
    x = 105,450.44

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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.