Home / 147,172.36-220,604.86-68,221.48

Finding the Fourth Proportional to 147,172.36, 220,604.86 and 68,221.48

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Solution

The fourth proportional to 147,172.36, 220,604.86 and 68,221.48 is: 102,260.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,172.36 : 220,604.86 = 68,221.48 : x
  2. Step 2: Convert to fraction form
    147,172.36/220,604.86 = 68,221.48/x
  3. Step 3: Cross multiply
    147,172.36x = 220,604.86 × 68,221.48
  4. Step 4: Simplify right side
    147,172.36x = 15,049,990,044.39
  5. Step 5: Solve for x
    x = 15,049,990,044.39/147,172.36
  6. Step 6: Final answer
    x = 102,260.98

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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.