Home / 122,221.51-183,336.11-37,982.12

Finding the Fourth Proportional to 122,221.51, 183,336.11 and 37,982.12

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Solution

The fourth proportional to 122,221.51, 183,336.11 and 37,982.12 is: 56,974.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,221.51 : 183,336.11 = 37,982.12 : x
  2. Step 2: Convert to fraction form
    122,221.51/183,336.11 = 37,982.12/x
  3. Step 3: Cross multiply
    122,221.51x = 183,336.11 × 37,982.12
  4. Step 4: Simplify right side
    122,221.51x = 6,963,493,166.20
  5. Step 5: Solve for x
    x = 6,963,493,166.20/122,221.51
  6. Step 6: Final answer
    x = 56,974.37

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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.