Home / 161,954.38-223,496.46-90,334.34

Finding the Fourth Proportional to 161,954.38, 223,496.46 and 90,334.34

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Solution

The fourth proportional to 161,954.38, 223,496.46 and 90,334.34 is: 124,661.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,954.38 : 223,496.46 = 90,334.34 : x
  2. Step 2: Convert to fraction form
    161,954.38/223,496.46 = 90,334.34/x
  3. Step 3: Cross multiply
    161,954.38x = 223,496.46 × 90,334.34
  4. Step 4: Simplify right side
    161,954.38x = 20,189,405,206.44
  5. Step 5: Solve for x
    x = 20,189,405,206.44/161,954.38
  6. Step 6: Final answer
    x = 124,661.06

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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.