Home / 231,936.48-320,170.32-156,587.04

Finding the Fourth Proportional to 231,936.48, 320,170.32 and 156,587.04

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Solution

The fourth proportional to 231,936.48, 320,170.32 and 156,587.04 is: 216,156.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,936.48 : 320,170.32 = 156,587.04 : x
  2. Step 2: Convert to fraction form
    231,936.48/320,170.32 = 156,587.04/x
  3. Step 3: Cross multiply
    231,936.48x = 320,170.32 × 156,587.04
  4. Step 4: Simplify right side
    231,936.48x = 50,134,522,704.65
  5. Step 5: Solve for x
    x = 50,134,522,704.65/231,936.48
  6. Step 6: Final answer
    x = 216,156.26

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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.