Home / 175,455.88-263,121.66-57,105.16

Finding the Fourth Proportional to 175,455.88, 263,121.66 and 57,105.16

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Solution

The fourth proportional to 175,455.88, 263,121.66 and 57,105.16 is: 85,637.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,455.88 : 263,121.66 = 57,105.16 : x
  2. Step 2: Convert to fraction form
    175,455.88/263,121.66 = 57,105.16/x
  3. Step 3: Cross multiply
    175,455.88x = 263,121.66 × 57,105.16
  4. Step 4: Simplify right side
    175,455.88x = 15,025,604,493.77
  5. Step 5: Solve for x
    x = 15,025,604,493.77/175,455.88
  6. Step 6: Final answer
    x = 85,637.51

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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.