Home / 147,846.10-204,027.62-80,778.10

Finding the Fourth Proportional to 147,846.10, 204,027.62 and 80,778.10

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Solution

The fourth proportional to 147,846.10, 204,027.62 and 80,778.10 is: 111,473.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,846.10 : 204,027.62 = 80,778.10 : x
  2. Step 2: Convert to fraction form
    147,846.10/204,027.62 = 80,778.10/x
  3. Step 3: Cross multiply
    147,846.10x = 204,027.62 × 80,778.10
  4. Step 4: Simplify right side
    147,846.10x = 16,480,963,087.23
  5. Step 5: Solve for x
    x = 16,480,963,087.23/147,846.10
  6. Step 6: Final answer
    x = 111,473.78

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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.