Home / 117,922.80-162,456.68-82,051.12

Finding the Fourth Proportional to 117,922.80, 162,456.68 and 82,051.12

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Solution

The fourth proportional to 117,922.80, 162,456.68 and 82,051.12 is: 113,037.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,922.80 : 162,456.68 = 82,051.12 : x
  2. Step 2: Convert to fraction form
    117,922.80/162,456.68 = 82,051.12/x
  3. Step 3: Cross multiply
    117,922.80x = 162,456.68 × 82,051.12
  4. Step 4: Simplify right side
    117,922.80x = 13,329,752,545.48
  5. Step 5: Solve for x
    x = 13,329,752,545.48/117,922.80
  6. Step 6: Final answer
    x = 113,037.96

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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.