Home / 251,429.22-377,063.76-82,918.05

Finding the Fourth Proportional to 251,429.22, 377,063.76 and 82,918.05

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Solution

The fourth proportional to 251,429.22, 377,063.76 and 82,918.05 is: 124,350.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,429.22 : 377,063.76 = 82,918.05 : x
  2. Step 2: Convert to fraction form
    251,429.22/377,063.76 = 82,918.05/x
  3. Step 3: Cross multiply
    251,429.22x = 377,063.76 × 82,918.05
  4. Step 4: Simplify right side
    251,429.22x = 31,265,391,704.87
  5. Step 5: Solve for x
    x = 31,265,391,704.87/251,429.22
  6. Step 6: Final answer
    x = 124,350.67

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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.