Home / 148,192.26-204,505.30-80,209.22

Finding the Fourth Proportional to 148,192.26, 204,505.30 and 80,209.22

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Solution

The fourth proportional to 148,192.26, 204,505.30 and 80,209.22 is: 110,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,192.26 : 204,505.30 = 80,209.22 : x
  2. Step 2: Convert to fraction form
    148,192.26/204,505.30 = 80,209.22/x
  3. Step 3: Cross multiply
    148,192.26x = 204,505.30 × 80,209.22
  4. Step 4: Simplify right side
    148,192.26x = 16,403,209,676.60
  5. Step 5: Solve for x
    x = 16,403,209,676.60/148,192.26
  6. Step 6: Final answer
    x = 110,688.71

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1.5x scale

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.