Home / 122,467.83-183,530.61-66,186.60

Finding the Fourth Proportional to 122,467.83, 183,530.61 and 66,186.60

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Solution

The fourth proportional to 122,467.83, 183,530.61 and 66,186.60 is: 99,187.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,467.83 : 183,530.61 = 66,186.60 : x
  2. Step 2: Convert to fraction form
    122,467.83/183,530.61 = 66,186.60/x
  3. Step 3: Cross multiply
    122,467.83x = 183,530.61 × 66,186.60
  4. Step 4: Simplify right side
    122,467.83x = 12,147,267,071.83
  5. Step 5: Solve for x
    x = 12,147,267,071.83/122,467.83
  6. Step 6: Final answer
    x = 99,187.41

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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.