Home / 127,306.05-190,982.34-41,921.76

Finding the Fourth Proportional to 127,306.05, 190,982.34 and 41,921.76

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Solution

The fourth proportional to 127,306.05, 190,982.34 and 41,921.76 is: 62,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,306.05 : 190,982.34 = 41,921.76 : x
  2. Step 2: Convert to fraction form
    127,306.05/190,982.34 = 41,921.76/x
  3. Step 3: Cross multiply
    127,306.05x = 190,982.34 × 41,921.76
  4. Step 4: Simplify right side
    127,306.05x = 8,006,315,821.72
  5. Step 5: Solve for x
    x = 8,006,315,821.72/127,306.05
  6. Step 6: Final answer
    x = 62,890.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.