Home / 117,553.82-162,334.94-81,841.46

Finding the Fourth Proportional to 117,553.82, 162,334.94 and 81,841.46

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Solution

The fourth proportional to 117,553.82, 162,334.94 and 81,841.46 is: 113,018.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,553.82 : 162,334.94 = 81,841.46 : x
  2. Step 2: Convert to fraction form
    117,553.82/162,334.94 = 81,841.46/x
  3. Step 3: Cross multiply
    117,553.82x = 162,334.94 × 81,841.46
  4. Step 4: Simplify right side
    117,553.82x = 13,285,727,277.73
  5. Step 5: Solve for x
    x = 13,285,727,277.73/117,553.82
  6. Step 6: Final answer
    x = 113,018.26

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1.5x scale

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.