Home / 123,982.18-171,177.80-95,250.67

Finding the Fourth Proportional to 123,982.18, 171,177.80 and 95,250.67

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Solution

The fourth proportional to 123,982.18, 171,177.80 and 95,250.67 is: 131,509.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,982.18 : 171,177.80 = 95,250.67 : x
  2. Step 2: Convert to fraction form
    123,982.18/171,177.80 = 95,250.67/x
  3. Step 3: Cross multiply
    123,982.18x = 171,177.80 × 95,250.67
  4. Step 4: Simplify right side
    123,982.18x = 16,304,800,139.13
  5. Step 5: Solve for x
    x = 16,304,800,139.13/123,982.18
  6. Step 6: Final answer
    x = 131,509.22

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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.