Home / 165,033.19-247,509.91-76,201.30

Finding the Fourth Proportional to 165,033.19, 247,509.91 and 76,201.30

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Solution

The fourth proportional to 165,033.19, 247,509.91 and 76,201.30 is: 114,283.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,033.19 : 247,509.91 = 76,201.30 : x
  2. Step 2: Convert to fraction form
    165,033.19/247,509.91 = 76,201.30/x
  3. Step 3: Cross multiply
    165,033.19x = 247,509.91 × 76,201.30
  4. Step 4: Simplify right side
    165,033.19x = 18,860,576,904.88
  5. Step 5: Solve for x
    x = 18,860,576,904.88/165,033.19
  6. Step 6: Final answer
    x = 114,283.54

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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.