Home / 152,974.08-211,127.04-120,634.56

Finding the Fourth Proportional to 152,974.08, 211,127.04 and 120,634.56

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Solution

The fourth proportional to 152,974.08, 211,127.04 and 120,634.56 is: 166,493.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,974.08 : 211,127.04 = 120,634.56 : x
  2. Step 2: Convert to fraction form
    152,974.08/211,127.04 = 120,634.56/x
  3. Step 3: Cross multiply
    152,974.08x = 211,127.04 × 120,634.56
  4. Step 4: Simplify right side
    152,974.08x = 25,469,217,574.50
  5. Step 5: Solve for x
    x = 25,469,217,574.50/152,974.08
  6. Step 6: Final answer
    x = 166,493.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.