Home / 122,202.78-183,151.08-66,040.62

Finding the Fourth Proportional to 122,202.78, 183,151.08 and 66,040.62

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Solution

The fourth proportional to 122,202.78, 183,151.08 and 66,040.62 is: 98,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,202.78 : 183,151.08 = 66,040.62 : x
  2. Step 2: Convert to fraction form
    122,202.78/183,151.08 = 66,040.62/x
  3. Step 3: Cross multiply
    122,202.78x = 183,151.08 × 66,040.62
  4. Step 4: Simplify right side
    122,202.78x = 12,095,410,876.87
  5. Step 5: Solve for x
    x = 12,095,410,876.87/122,202.78
  6. Step 6: Final answer
    x = 98,978.20

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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.