Home / 113,149.04-169,745.45-38,281.38

Finding the Fourth Proportional to 113,149.04, 169,745.45 and 38,281.38

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Solution

The fourth proportional to 113,149.04, 169,745.45 and 38,281.38 is: 57,429.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,149.04 : 169,745.45 = 38,281.38 : x
  2. Step 2: Convert to fraction form
    113,149.04/169,745.45 = 38,281.38/x
  3. Step 3: Cross multiply
    113,149.04x = 169,745.45 × 38,281.38
  4. Step 4: Simplify right side
    113,149.04x = 6,498,090,786.66
  5. Step 5: Solve for x
    x = 6,498,090,786.66/113,149.04
  6. Step 6: Final answer
    x = 57,429.48

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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.