Home / 167,601.50-231,294.45-91,125.74

Finding the Fourth Proportional to 167,601.50, 231,294.45 and 91,125.74

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Solution

The fourth proportional to 167,601.50, 231,294.45 and 91,125.74 is: 125,755.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,601.50 : 231,294.45 = 91,125.74 : x
  2. Step 2: Convert to fraction form
    167,601.50/231,294.45 = 91,125.74/x
  3. Step 3: Cross multiply
    167,601.50x = 231,294.45 × 91,125.74
  4. Step 4: Simplify right side
    167,601.50x = 21,076,877,914.14
  5. Step 5: Solve for x
    x = 21,076,877,914.14/167,601.50
  6. Step 6: Final answer
    x = 125,755.90

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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.