Home / 131,661.52-181,692.70-71,231.96

Finding the Fourth Proportional to 131,661.52, 181,692.70 and 71,231.96

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Solution

The fourth proportional to 131,661.52, 181,692.70 and 71,231.96 is: 98,300.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,661.52 : 181,692.70 = 71,231.96 : x
  2. Step 2: Convert to fraction form
    131,661.52/181,692.70 = 71,231.96/x
  3. Step 3: Cross multiply
    131,661.52x = 181,692.70 × 71,231.96
  4. Step 4: Simplify right side
    131,661.52x = 12,942,327,414.84
  5. Step 5: Solve for x
    x = 12,942,327,414.84/131,661.52
  6. Step 6: Final answer
    x = 98,300.00

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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.