Home / 113,138.65-169,716.48-34,259.23

Finding the Fourth Proportional to 113,138.65, 169,716.48 and 34,259.23

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Solution

The fourth proportional to 113,138.65, 169,716.48 and 34,259.23 is: 51,391.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,138.65 : 169,716.48 = 34,259.23 : x
  2. Step 2: Convert to fraction form
    113,138.65/169,716.48 = 34,259.23/x
  3. Step 3: Cross multiply
    113,138.65x = 169,716.48 × 34,259.23
  4. Step 4: Simplify right side
    113,138.65x = 5,814,355,923.11
  5. Step 5: Solve for x
    x = 5,814,355,923.11/113,138.65
  6. Step 6: Final answer
    x = 51,391.42

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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.