Home / 143,174.97-197,728.44-107,308.17

Finding the Fourth Proportional to 143,174.97, 197,728.44 and 107,308.17

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Solution

The fourth proportional to 143,174.97, 197,728.44 and 107,308.17 is: 148,195.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,174.97 : 197,728.44 = 107,308.17 : x
  2. Step 2: Convert to fraction form
    143,174.97/197,728.44 = 107,308.17/x
  3. Step 3: Cross multiply
    143,174.97x = 197,728.44 × 107,308.17
  4. Step 4: Simplify right side
    143,174.97x = 21,217,877,053.35
  5. Step 5: Solve for x
    x = 21,217,877,053.35/143,174.97
  6. Step 6: Final answer
    x = 148,195.44

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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.