Home / 245,021.88-367,532.66-76,556.72

Finding the Fourth Proportional to 245,021.88, 367,532.66 and 76,556.72

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Solution

The fourth proportional to 245,021.88, 367,532.66 and 76,556.72 is: 114,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,021.88 : 367,532.66 = 76,556.72 : x
  2. Step 2: Convert to fraction form
    245,021.88/367,532.66 = 76,556.72/x
  3. Step 3: Cross multiply
    245,021.88x = 367,532.66 × 76,556.72
  4. Step 4: Simplify right side
    245,021.88x = 28,137,094,942.48
  5. Step 5: Solve for x
    x = 28,137,094,942.48/245,021.88
  6. Step 6: Final answer
    x = 114,835.03

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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.