Home / 122,655.11-183,851.44-63,431.15

Finding the Fourth Proportional to 122,655.11, 183,851.44 and 63,431.15

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Solution

The fourth proportional to 122,655.11, 183,851.44 and 63,431.15 is: 95,078.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,655.11 : 183,851.44 = 63,431.15 : x
  2. Step 2: Convert to fraction form
    122,655.11/183,851.44 = 63,431.15/x
  3. Step 3: Cross multiply
    122,655.11x = 183,851.44 × 63,431.15
  4. Step 4: Simplify right side
    122,655.11x = 11,661,907,190.52
  5. Step 5: Solve for x
    x = 11,661,907,190.52/122,655.11
  6. Step 6: Final answer
    x = 95,078.86

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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.