Home / 122,193.90-183,175.92-65,949.72

Finding the Fourth Proportional to 122,193.90, 183,175.92 and 65,949.72

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Solution

The fourth proportional to 122,193.90, 183,175.92 and 65,949.72 is: 98,862.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,193.90 : 183,175.92 = 65,949.72 : x
  2. Step 2: Convert to fraction form
    122,193.90/183,175.92 = 65,949.72/x
  3. Step 3: Cross multiply
    122,193.90x = 183,175.92 × 65,949.72
  4. Step 4: Simplify right side
    122,193.90x = 12,080,400,634.74
  5. Step 5: Solve for x
    x = 12,080,400,634.74/122,193.90
  6. Step 6: Final answer
    x = 98,862.55

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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.