Home / 113,789.22-170,683.98-38,910.12

Finding the Fourth Proportional to 113,789.22, 170,683.98 and 38,910.12

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Solution

The fourth proportional to 113,789.22, 170,683.98 and 38,910.12 is: 58,365.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,789.22 : 170,683.98 = 38,910.12 : x
  2. Step 2: Convert to fraction form
    113,789.22/170,683.98 = 38,910.12/x
  3. Step 3: Cross multiply
    113,789.22x = 170,683.98 × 38,910.12
  4. Step 4: Simplify right side
    113,789.22x = 6,641,334,143.88
  5. Step 5: Solve for x
    x = 6,641,334,143.88/113,789.22
  6. Step 6: Final answer
    x = 58,365.23

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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.