Home / 122,137.98-183,293.54-55,586.66

Finding the Fourth Proportional to 122,137.98, 183,293.54 and 55,586.66

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Solution

The fourth proportional to 122,137.98, 183,293.54 and 55,586.66 is: 83,419.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,137.98 : 183,293.54 = 55,586.66 : x
  2. Step 2: Convert to fraction form
    122,137.98/183,293.54 = 55,586.66/x
  3. Step 3: Cross multiply
    122,137.98x = 183,293.54 × 55,586.66
  4. Step 4: Simplify right side
    122,137.98x = 10,188,675,389.58
  5. Step 5: Solve for x
    x = 10,188,675,389.58/122,137.98
  6. Step 6: Final answer
    x = 83,419.39

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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.