Home / 122,073.66-183,138.39-47,194.38

Finding the Fourth Proportional to 122,073.66, 183,138.39 and 47,194.38

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Solution

The fourth proportional to 122,073.66, 183,138.39 and 47,194.38 is: 70,802.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,073.66 : 183,138.39 = 47,194.38 : x
  2. Step 2: Convert to fraction form
    122,073.66/183,138.39 = 47,194.38/x
  3. Step 3: Cross multiply
    122,073.66x = 183,138.39 × 47,194.38
  4. Step 4: Simplify right side
    122,073.66x = 8,643,102,770.25
  5. Step 5: Solve for x
    x = 8,643,102,770.25/122,073.66
  6. Step 6: Final answer
    x = 70,802.36

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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.