Home / 147,255.36-220,550.72-68,203.52

Finding the Fourth Proportional to 147,255.36, 220,550.72 and 68,203.52

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Solution

The fourth proportional to 147,255.36, 220,550.72 and 68,203.52 is: 102,151.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,255.36 : 220,550.72 = 68,203.52 : x
  2. Step 2: Convert to fraction form
    147,255.36/220,550.72 = 68,203.52/x
  3. Step 3: Cross multiply
    147,255.36x = 220,550.72 × 68,203.52
  4. Step 4: Simplify right side
    147,255.36x = 15,042,335,442.53
  5. Step 5: Solve for x
    x = 15,042,335,442.53/147,255.36
  6. Step 6: Final answer
    x = 102,151.36

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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.