Home / 118,022.85-162,822.78-82,233.62

Finding the Fourth Proportional to 118,022.85, 162,822.78 and 82,233.62

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Solution

The fourth proportional to 118,022.85, 162,822.78 and 82,233.62 is: 113,448.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,022.85 : 162,822.78 = 82,233.62 : x
  2. Step 2: Convert to fraction form
    118,022.85/162,822.78 = 82,233.62/x
  3. Step 3: Cross multiply
    118,022.85x = 162,822.78 × 82,233.62
  4. Step 4: Simplify right side
    118,022.85x = 13,389,505,803.75
  5. Step 5: Solve for x
    x = 13,389,505,803.75/118,022.85
  6. Step 6: Final answer
    x = 113,448.42

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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.