Home / 113,195.16-169,782.92-38,313.64

Finding the Fourth Proportional to 113,195.16, 169,782.92 and 38,313.64

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Solution

The fourth proportional to 113,195.16, 169,782.92 and 38,313.64 is: 57,467.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,195.16 : 169,782.92 = 38,313.64 : x
  2. Step 2: Convert to fraction form
    113,195.16/169,782.92 = 38,313.64/x
  3. Step 3: Cross multiply
    113,195.16x = 169,782.92 × 38,313.64
  4. Step 4: Simplify right side
    113,195.16x = 6,505,001,675.03
  5. Step 5: Solve for x
    x = 6,505,001,675.03/113,195.16
  6. Step 6: Final answer
    x = 57,467.14

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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.