Home / 103,196.22-154,794.36-68,127.66

Finding the Fourth Proportional to 103,196.22, 154,794.36 and 68,127.66

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Solution

The fourth proportional to 103,196.22, 154,794.36 and 68,127.66 is: 102,191.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,196.22 : 154,794.36 = 68,127.66 : x
  2. Step 2: Convert to fraction form
    103,196.22/154,794.36 = 68,127.66/x
  3. Step 3: Cross multiply
    103,196.22x = 154,794.36 × 68,127.66
  4. Step 4: Simplify right side
    103,196.22x = 10,545,777,528.00
  5. Step 5: Solve for x
    x = 10,545,777,528.00/103,196.22
  6. Step 6: Final answer
    x = 102,191.51

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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.