Home / 270,535.38-373,458.40-161,678.12

Finding the Fourth Proportional to 270,535.38, 373,458.40 and 161,678.12

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Solution

The fourth proportional to 270,535.38, 373,458.40 and 161,678.12 is: 223,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,535.38 : 373,458.40 = 161,678.12 : x
  2. Step 2: Convert to fraction form
    270,535.38/373,458.40 = 161,678.12/x
  3. Step 3: Cross multiply
    270,535.38x = 373,458.40 × 161,678.12
  4. Step 4: Simplify right side
    270,535.38x = 60,380,052,010.21
  5. Step 5: Solve for x
    x = 60,380,052,010.21/270,535.38
  6. Step 6: Final answer
    x = 223,187.27

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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.