Home / 167,432.64-231,071.52-91,995.60

Finding the Fourth Proportional to 167,432.64, 231,071.52 and 91,995.60

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Solution

The fourth proportional to 167,432.64, 231,071.52 and 91,995.60 is: 126,961.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,432.64 : 231,071.52 = 91,995.60 : x
  2. Step 2: Convert to fraction form
    167,432.64/231,071.52 = 91,995.60/x
  3. Step 3: Cross multiply
    167,432.64x = 231,071.52 × 91,995.60
  4. Step 4: Simplify right side
    167,432.64x = 21,257,563,125.31
  5. Step 5: Solve for x
    x = 21,257,563,125.31/167,432.64
  6. Step 6: Final answer
    x = 126,961.88

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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.