Home / 154,515.22-231,808.78-47,893.52

Finding the Fourth Proportional to 154,515.22, 231,808.78 and 47,893.52

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Solution

The fourth proportional to 154,515.22, 231,808.78 and 47,893.52 is: 71,851.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,515.22 : 231,808.78 = 47,893.52 : x
  2. Step 2: Convert to fraction form
    154,515.22/231,808.78 = 47,893.52/x
  3. Step 3: Cross multiply
    154,515.22x = 231,808.78 × 47,893.52
  4. Step 4: Simplify right side
    154,515.22x = 11,102,138,900.89
  5. Step 5: Solve for x
    x = 11,102,138,900.89/154,515.22
  6. Step 6: Final answer
    x = 71,851.43

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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.