Home / 161,665.11-223,101.87-90,046.33

Finding the Fourth Proportional to 161,665.11, 223,101.87 and 90,046.33

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Solution

The fourth proportional to 161,665.11, 223,101.87 and 90,046.33 is: 124,266.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,665.11 : 223,101.87 = 90,046.33 : x
  2. Step 2: Convert to fraction form
    161,665.11/223,101.87 = 90,046.33/x
  3. Step 3: Cross multiply
    161,665.11x = 223,101.87 × 90,046.33
  4. Step 4: Simplify right side
    161,665.11x = 20,089,504,389.56
  5. Step 5: Solve for x
    x = 20,089,504,389.56/161,665.11
  6. Step 6: Final answer
    x = 124,266.17

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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.