Home / 122,830.97-183,951.20-70,080.53

Finding the Fourth Proportional to 122,830.97, 183,951.20 and 70,080.53

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Solution

The fourth proportional to 122,830.97, 183,951.20 and 70,080.53 is: 104,952.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,830.97 : 183,951.20 = 70,080.53 : x
  2. Step 2: Convert to fraction form
    122,830.97/183,951.20 = 70,080.53/x
  3. Step 3: Cross multiply
    122,830.97x = 183,951.20 × 70,080.53
  4. Step 4: Simplify right side
    122,830.97x = 12,891,396,319.98
  5. Step 5: Solve for x
    x = 12,891,396,319.98/122,830.97
  6. Step 6: Final answer
    x = 104,952.33

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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.