Home / 140,542.56-194,028.90-92,934

Finding the Fourth Proportional to 140,542.56, 194,028.90 and 92,934

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Solution

The fourth proportional to 140,542.56, 194,028.90 and 92,934 is: 128,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,542.56 : 194,028.90 = 92,934 : x
  2. Step 2: Convert to fraction form
    140,542.56/194,028.90 = 92,934/x
  3. Step 3: Cross multiply
    140,542.56x = 194,028.90 × 92,934
  4. Step 4: Simplify right side
    140,542.56x = 18,031,881,792.60
  5. Step 5: Solve for x
    x = 18,031,881,792.60/140,542.56
  6. Step 6: Final answer
    x = 128,301.93

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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.