Home / 108,822.15-150,196.95-68,508.86

Finding the Fourth Proportional to 108,822.15, 150,196.95 and 68,508.86

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Solution

The fourth proportional to 108,822.15, 150,196.95 and 68,508.86 is: 94,556.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,822.15 : 150,196.95 = 68,508.86 : x
  2. Step 2: Convert to fraction form
    108,822.15/150,196.95 = 68,508.86/x
  3. Step 3: Cross multiply
    108,822.15x = 150,196.95 × 68,508.86
  4. Step 4: Simplify right side
    108,822.15x = 10,289,821,068.99
  5. Step 5: Solve for x
    x = 10,289,821,068.99/108,822.15
  6. Step 6: Final answer
    x = 94,556.31

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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.