Home / 106,325.63-159,519.61-31,447.78

Finding the Fourth Proportional to 106,325.63, 159,519.61 and 31,447.78

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Solution

The fourth proportional to 106,325.63, 159,519.61 and 31,447.78 is: 47,180.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,325.63 : 159,519.61 = 31,447.78 : x
  2. Step 2: Convert to fraction form
    106,325.63/159,519.61 = 31,447.78/x
  3. Step 3: Cross multiply
    106,325.63x = 159,519.61 × 31,447.78
  4. Step 4: Simplify right side
    106,325.63x = 5,016,537,241.48
  5. Step 5: Solve for x
    x = 5,016,537,241.48/106,325.63
  6. Step 6: Final answer
    x = 47,180.88

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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.