Home / 167,639.72-231,342.88-92,188.20

Finding the Fourth Proportional to 167,639.72, 231,342.88 and 92,188.20

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Solution

The fourth proportional to 167,639.72, 231,342.88 and 92,188.20 is: 127,219.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,639.72 : 231,342.88 = 92,188.20 : x
  2. Step 2: Convert to fraction form
    167,639.72/231,342.88 = 92,188.20/x
  3. Step 3: Cross multiply
    167,639.72x = 231,342.88 × 92,188.20
  4. Step 4: Simplify right side
    167,639.72x = 21,327,083,690.02
  5. Step 5: Solve for x
    x = 21,327,083,690.02/167,639.72
  6. Step 6: Final answer
    x = 127,219.75

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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.