Home / 245,115.27-367,673.20-76,636.48

Finding the Fourth Proportional to 245,115.27, 367,673.20 and 76,636.48

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Solution

The fourth proportional to 245,115.27, 367,673.20 and 76,636.48 is: 114,954.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,115.27 : 367,673.20 = 76,636.48 : x
  2. Step 2: Convert to fraction form
    245,115.27/367,673.20 = 76,636.48/x
  3. Step 3: Cross multiply
    245,115.27x = 367,673.20 × 76,636.48
  4. Step 4: Simplify right side
    245,115.27x = 28,177,179,838.34
  5. Step 5: Solve for x
    x = 28,177,179,838.34/245,115.27
  6. Step 6: Final answer
    x = 114,954.81

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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.