Home / 167,634.36-231,321.39-98,712.87

Finding the Fourth Proportional to 167,634.36, 231,321.39 and 98,712.87

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Solution

The fourth proportional to 167,634.36, 231,321.39 and 98,712.87 is: 136,215.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,634.36 : 231,321.39 = 98,712.87 : x
  2. Step 2: Convert to fraction form
    167,634.36/231,321.39 = 98,712.87/x
  3. Step 3: Cross multiply
    167,634.36x = 231,321.39 × 98,712.87
  4. Step 4: Simplify right side
    167,634.36x = 22,834,398,299.29
  5. Step 5: Solve for x
    x = 22,834,398,299.29/167,634.36
  6. Step 6: Final answer
    x = 136,215.50

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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.