Home / 167,643.18-231,342.98-92,191.68

Finding the Fourth Proportional to 167,643.18, 231,342.98 and 92,191.68

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Solution

The fourth proportional to 167,643.18, 231,342.98 and 92,191.68 is: 127,221.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,643.18 : 231,342.98 = 92,191.68 : x
  2. Step 2: Convert to fraction form
    167,643.18/231,342.98 = 92,191.68/x
  3. Step 3: Cross multiply
    167,643.18x = 231,342.98 × 92,191.68
  4. Step 4: Simplify right side
    167,643.18x = 21,327,897,521.45
  5. Step 5: Solve for x
    x = 21,327,897,521.45/167,643.18
  6. Step 6: Final answer
    x = 127,221.98

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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.