Home / 313,103.72-432,083.28-169,863.73

Finding the Fourth Proportional to 313,103.72, 432,083.28 and 169,863.73

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Solution

The fourth proportional to 313,103.72, 432,083.28 and 169,863.73 is: 234,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,103.72 : 432,083.28 = 169,863.73 : x
  2. Step 2: Convert to fraction form
    313,103.72/432,083.28 = 169,863.73/x
  3. Step 3: Cross multiply
    313,103.72x = 432,083.28 × 169,863.73
  4. Step 4: Simplify right side
    313,103.72x = 73,395,277,611.43
  5. Step 5: Solve for x
    x = 73,395,277,611.43/313,103.72
  6. Step 6: Final answer
    x = 234,412.03

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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.