Home / 143,349.72-197,911.08-92,380.44

Finding the Fourth Proportional to 143,349.72, 197,911.08 and 92,380.44

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Solution

The fourth proportional to 143,349.72, 197,911.08 and 92,380.44 is: 127,542.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,349.72 : 197,911.08 = 92,380.44 : x
  2. Step 2: Convert to fraction form
    143,349.72/197,911.08 = 92,380.44/x
  3. Step 3: Cross multiply
    143,349.72x = 197,911.08 × 92,380.44
  4. Step 4: Simplify right side
    143,349.72x = 18,283,112,651.28
  5. Step 5: Solve for x
    x = 18,283,112,651.28/143,349.72
  6. Step 6: Final answer
    x = 127,542.02

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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.