Home / 154,515.17-231,808.91-47,893.55

Finding the Fourth Proportional to 154,515.17, 231,808.91 and 47,893.55

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Solution

The fourth proportional to 154,515.17, 231,808.91 and 47,893.55 is: 71,851.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,515.17 : 231,808.91 = 47,893.55 : x
  2. Step 2: Convert to fraction form
    154,515.17/231,808.91 = 47,893.55/x
  3. Step 3: Cross multiply
    154,515.17x = 231,808.91 × 47,893.55
  4. Step 4: Simplify right side
    154,515.17x = 11,102,150,223.02
  5. Step 5: Solve for x
    x = 11,102,150,223.02/154,515.17
  6. Step 6: Final answer
    x = 71,851.52

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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.