Home / 161,934.14-223,469.46-90,318.77

Finding the Fourth Proportional to 161,934.14, 223,469.46 and 90,318.77

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Solution

The fourth proportional to 161,934.14, 223,469.46 and 90,318.77 is: 124,640.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,934.14 : 223,469.46 = 90,318.77 : x
  2. Step 2: Convert to fraction form
    161,934.14/223,469.46 = 90,318.77/x
  3. Step 3: Cross multiply
    161,934.14x = 223,469.46 × 90,318.77
  4. Step 4: Simplify right side
    161,934.14x = 20,183,485,642.42
  5. Step 5: Solve for x
    x = 20,183,485,642.42/161,934.14
  6. Step 6: Final answer
    x = 124,640.09

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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.