Home / 122,468.83-183,532.11-66,187.60

Finding the Fourth Proportional to 122,468.83, 183,532.11 and 66,187.60

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Solution

The fourth proportional to 122,468.83, 183,532.11 and 66,187.60 is: 99,188.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,468.83 : 183,532.11 = 66,187.60 : x
  2. Step 2: Convert to fraction form
    122,468.83/183,532.11 = 66,187.60/x
  3. Step 3: Cross multiply
    122,468.83x = 183,532.11 × 66,187.60
  4. Step 4: Simplify right side
    122,468.83x = 12,147,549,883.84
  5. Step 5: Solve for x
    x = 12,147,549,883.84/122,468.83
  6. Step 6: Final answer
    x = 99,188.91

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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.