Home / 113,110.78-169,638.15-38,229.27

Finding the Fourth Proportional to 113,110.78, 169,638.15 and 38,229.27

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Solution

The fourth proportional to 113,110.78, 169,638.15 and 38,229.27 is: 57,334.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,110.78 : 169,638.15 = 38,229.27 : x
  2. Step 2: Convert to fraction form
    113,110.78/169,638.15 = 38,229.27/x
  3. Step 3: Cross multiply
    113,110.78x = 169,638.15 × 38,229.27
  4. Step 4: Simplify right side
    113,110.78x = 6,485,141,930.83
  5. Step 5: Solve for x
    x = 6,485,141,930.83/113,110.78
  6. Step 6: Final answer
    x = 57,334.43

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1.5x scale

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.