Home / 122,231.52-183,399.97-66,111.14

Finding the Fourth Proportional to 122,231.52, 183,399.97 and 66,111.14

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Solution

The fourth proportional to 122,231.52, 183,399.97 and 66,111.14 is: 99,195.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,231.52 : 183,399.97 = 66,111.14 : x
  2. Step 2: Convert to fraction form
    122,231.52/183,399.97 = 66,111.14/x
  3. Step 3: Cross multiply
    122,231.52x = 183,399.97 × 66,111.14
  4. Step 4: Simplify right side
    122,231.52x = 12,124,781,092.67
  5. Step 5: Solve for x
    x = 12,124,781,092.67/122,231.52
  6. Step 6: Final answer
    x = 99,195.21

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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.