Home / 148,195.47-204,509.16-80,213.59

Finding the Fourth Proportional to 148,195.47, 204,509.16 and 80,213.59

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Solution

The fourth proportional to 148,195.47, 204,509.16 and 80,213.59 is: 110,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,195.47 : 204,509.16 = 80,213.59 : x
  2. Step 2: Convert to fraction form
    148,195.47/204,509.16 = 80,213.59/x
  3. Step 3: Cross multiply
    148,195.47x = 204,509.16 × 80,213.59
  4. Step 4: Simplify right side
    148,195.47x = 16,404,413,911.48
  5. Step 5: Solve for x
    x = 16,404,413,911.48/148,195.47
  6. Step 6: Final answer
    x = 110,694.44

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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.