Home / 288,402.27-397,992.87-167,614.26

Finding the Fourth Proportional to 288,402.27, 397,992.87 and 167,614.26

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Solution

The fourth proportional to 288,402.27, 397,992.87 and 167,614.26 is: 231,306.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,402.27 : 397,992.87 = 167,614.26 : x
  2. Step 2: Convert to fraction form
    288,402.27/397,992.87 = 167,614.26/x
  3. Step 3: Cross multiply
    288,402.27x = 397,992.87 × 167,614.26
  4. Step 4: Simplify right side
    288,402.27x = 66,709,280,390.33
  5. Step 5: Solve for x
    x = 66,709,280,390.33/288,402.27
  6. Step 6: Final answer
    x = 231,306.36

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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.