Home / 261,367.56-391,819.07-92,865.69

Finding the Fourth Proportional to 261,367.56, 391,819.07 and 92,865.69

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Solution

The fourth proportional to 261,367.56, 391,819.07 and 92,865.69 is: 139,216.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,367.56 : 391,819.07 = 92,865.69 : x
  2. Step 2: Convert to fraction form
    261,367.56/391,819.07 = 92,865.69/x
  3. Step 3: Cross multiply
    261,367.56x = 391,819.07 × 92,865.69
  4. Step 4: Simplify right side
    261,367.56x = 36,386,548,522.87
  5. Step 5: Solve for x
    x = 36,386,548,522.87/261,367.56
  6. Step 6: Final answer
    x = 139,216.01

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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.