Home / 167,945.17-231,747.20-103,404.17

Finding the Fourth Proportional to 167,945.17, 231,747.20 and 103,404.17

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Solution

The fourth proportional to 167,945.17, 231,747.20 and 103,404.17 is: 142,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,945.17 : 231,747.20 = 103,404.17 : x
  2. Step 2: Convert to fraction form
    167,945.17/231,747.20 = 103,404.17/x
  3. Step 3: Cross multiply
    167,945.17x = 231,747.20 × 103,404.17
  4. Step 4: Simplify right side
    167,945.17x = 23,963,626,865.82
  5. Step 5: Solve for x
    x = 23,963,626,865.82/167,945.17
  6. Step 6: Final answer
    x = 142,687.20

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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.