Home / 106,277.19-159,433.08-31,404.88

Finding the Fourth Proportional to 106,277.19, 159,433.08 and 31,404.88

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Solution

The fourth proportional to 106,277.19, 159,433.08 and 31,404.88 is: 47,112.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,277.19 : 159,433.08 = 31,404.88 : x
  2. Step 2: Convert to fraction form
    106,277.19/159,433.08 = 31,404.88/x
  3. Step 3: Cross multiply
    106,277.19x = 159,433.08 × 31,404.88
  4. Step 4: Simplify right side
    106,277.19x = 5,006,976,745.43
  5. Step 5: Solve for x
    x = 5,006,976,745.43/106,277.19
  6. Step 6: Final answer
    x = 47,112.43

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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.