Home / 117,556.12-176,149.86-81,982.36

Finding the Fourth Proportional to 117,556.12, 176,149.86 and 81,982.36

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Solution

The fourth proportional to 117,556.12, 176,149.86 and 81,982.36 is: 122,845.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,556.12 : 176,149.86 = 81,982.36 : x
  2. Step 2: Convert to fraction form
    117,556.12/176,149.86 = 81,982.36/x
  3. Step 3: Cross multiply
    117,556.12x = 176,149.86 × 81,982.36
  4. Step 4: Simplify right side
    117,556.12x = 14,441,181,236.47
  5. Step 5: Solve for x
    x = 14,441,181,236.47/117,556.12
  6. Step 6: Final answer
    x = 122,845.00

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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.