Home / 165,706.20-248,559.30-82,762.20

Finding the Fourth Proportional to 165,706.20, 248,559.30 and 82,762.20

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Solution

The fourth proportional to 165,706.20, 248,559.30 and 82,762.20 is: 124,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,706.20 : 248,559.30 = 82,762.20 : x
  2. Step 2: Convert to fraction form
    165,706.20/248,559.30 = 82,762.20/x
  3. Step 3: Cross multiply
    165,706.20x = 248,559.30 × 82,762.20
  4. Step 4: Simplify right side
    165,706.20x = 20,571,314,498.46
  5. Step 5: Solve for x
    x = 20,571,314,498.46/165,706.20
  6. Step 6: Final answer
    x = 124,143.30

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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.