Home / 165,772.47-248,661.09-47,443.89

Finding the Fourth Proportional to 165,772.47, 248,661.09 and 47,443.89

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Solution

The fourth proportional to 165,772.47, 248,661.09 and 47,443.89 is: 71,166.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,772.47 : 248,661.09 = 47,443.89 : x
  2. Step 2: Convert to fraction form
    165,772.47/248,661.09 = 47,443.89/x
  3. Step 3: Cross multiply
    165,772.47x = 248,661.09 × 47,443.89
  4. Step 4: Simplify right side
    165,772.47x = 11,797,449,401.24
  5. Step 5: Solve for x
    x = 11,797,449,401.24/165,772.47
  6. Step 6: Final answer
    x = 71,166.52

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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.