Home / 131,851.54-197,782.76-38,357.28

Finding the Fourth Proportional to 131,851.54, 197,782.76 and 38,357.28

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Solution

The fourth proportional to 131,851.54, 197,782.76 and 38,357.28 is: 57,537.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,851.54 : 197,782.76 = 38,357.28 : x
  2. Step 2: Convert to fraction form
    131,851.54/197,782.76 = 38,357.28/x
  3. Step 3: Cross multiply
    131,851.54x = 197,782.76 × 38,357.28
  4. Step 4: Simplify right side
    131,851.54x = 7,586,408,704.49
  5. Step 5: Solve for x
    x = 7,586,408,704.49/131,851.54
  6. Step 6: Final answer
    x = 57,537.51

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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.