Home / 174,231.21-261,117.18-68,992.77

Finding the Fourth Proportional to 174,231.21, 261,117.18 and 68,992.77

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Solution

The fourth proportional to 174,231.21, 261,117.18 and 68,992.77 is: 103,398.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,231.21 : 261,117.18 = 68,992.77 : x
  2. Step 2: Convert to fraction form
    174,231.21/261,117.18 = 68,992.77/x
  3. Step 3: Cross multiply
    174,231.21x = 261,117.18 × 68,992.77
  4. Step 4: Simplify right side
    174,231.21x = 18,015,197,542.79
  5. Step 5: Solve for x
    x = 18,015,197,542.79/174,231.21
  6. Step 6: Final answer
    x = 103,398.22

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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.