Home / 148,186.08-204,495.21-80,201.64

Finding the Fourth Proportional to 148,186.08, 204,495.21 and 80,201.64

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Solution

The fourth proportional to 148,186.08, 204,495.21 and 80,201.64 is: 110,677.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,186.08 : 204,495.21 = 80,201.64 : x
  2. Step 2: Convert to fraction form
    148,186.08/204,495.21 = 80,201.64/x
  3. Step 3: Cross multiply
    148,186.08x = 204,495.21 × 80,201.64
  4. Step 4: Simplify right side
    148,186.08x = 16,400,851,214.14
  5. Step 5: Solve for x
    x = 16,400,851,214.14/148,186.08
  6. Step 6: Final answer
    x = 110,677.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.