Home / 113,117.31-169,676.42-38,238.03

Finding the Fourth Proportional to 113,117.31, 169,676.42 and 38,238.03

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Solution

The fourth proportional to 113,117.31, 169,676.42 and 38,238.03 is: 57,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,117.31 : 169,676.42 = 38,238.03 : x
  2. Step 2: Convert to fraction form
    113,117.31/169,676.42 = 38,238.03/x
  3. Step 3: Cross multiply
    113,117.31x = 169,676.42 × 38,238.03
  4. Step 4: Simplify right side
    113,117.31x = 6,488,091,847.06
  5. Step 5: Solve for x
    x = 6,488,091,847.06/113,117.31
  6. Step 6: Final answer
    x = 57,357.20

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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.