Home / 113,456.62-170,162.97-43,319.26

Finding the Fourth Proportional to 113,456.62, 170,162.97 and 43,319.26

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Solution

The fourth proportional to 113,456.62, 170,162.97 and 43,319.26 is: 64,970.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,456.62 : 170,162.97 = 43,319.26 : x
  2. Step 2: Convert to fraction form
    113,456.62/170,162.97 = 43,319.26/x
  3. Step 3: Cross multiply
    113,456.62x = 170,162.97 × 43,319.26
  4. Step 4: Simplify right side
    113,456.62x = 7,371,333,939.80
  5. Step 5: Solve for x
    x = 7,371,333,939.80/113,456.62
  6. Step 6: Final answer
    x = 64,970.51

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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.