Home / 143,180.30-197,500.47-92,176.22

Finding the Fourth Proportional to 143,180.30, 197,500.47 and 92,176.22

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Solution

The fourth proportional to 143,180.30, 197,500.47 and 92,176.22 is: 127,146.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,180.30 : 197,500.47 = 92,176.22 : x
  2. Step 2: Convert to fraction form
    143,180.30/197,500.47 = 92,176.22/x
  3. Step 3: Cross multiply
    143,180.30x = 197,500.47 × 92,176.22
  4. Step 4: Simplify right side
    143,180.30x = 18,204,846,772.82
  5. Step 5: Solve for x
    x = 18,204,846,772.82/143,180.30
  6. Step 6: Final answer
    x = 127,146.31

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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.