Home / 113,120.66-169,652.96-38,239.14

Finding the Fourth Proportional to 113,120.66, 169,652.96 and 38,239.14

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Solution

The fourth proportional to 113,120.66, 169,652.96 and 38,239.14 is: 57,349.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,120.66 : 169,652.96 = 38,239.14 : x
  2. Step 2: Convert to fraction form
    113,120.66/169,652.96 = 38,239.14/x
  3. Step 3: Cross multiply
    113,120.66x = 169,652.96 × 38,239.14
  4. Step 4: Simplify right side
    113,120.66x = 6,487,383,288.85
  5. Step 5: Solve for x
    x = 6,487,383,288.85/113,120.66
  6. Step 6: Final answer
    x = 57,349.23

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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.