Home / 106,203.58-159,305.17-31,376.28

Finding the Fourth Proportional to 106,203.58, 159,305.17 and 31,376.28

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Solution

The fourth proportional to 106,203.58, 159,305.17 and 31,376.28 is: 47,064.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,203.58 : 159,305.17 = 31,376.28 : x
  2. Step 2: Convert to fraction form
    106,203.58/159,305.17 = 31,376.28/x
  3. Step 3: Cross multiply
    106,203.58x = 159,305.17 × 31,376.28
  4. Step 4: Simplify right side
    106,203.58x = 4,998,404,197.15
  5. Step 5: Solve for x
    x = 4,998,404,197.15/106,203.58
  6. Step 6: Final answer
    x = 47,064.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.