Home / 154,519.22-231,814.78-47,897.52

Finding the Fourth Proportional to 154,519.22, 231,814.78 and 47,897.52

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Solution

The fourth proportional to 154,519.22, 231,814.78 and 47,897.52 is: 71,857.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,519.22 : 231,814.78 = 47,897.52 : x
  2. Step 2: Convert to fraction form
    154,519.22/231,814.78 = 47,897.52/x
  3. Step 3: Cross multiply
    154,519.22x = 231,814.78 × 47,897.52
  4. Step 4: Simplify right side
    154,519.22x = 11,103,353,061.35
  5. Step 5: Solve for x
    x = 11,103,353,061.35/154,519.22
  6. Step 6: Final answer
    x = 71,857.42

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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.