Home / 106,615.46-159,922.37-43,420.71

Finding the Fourth Proportional to 106,615.46, 159,922.37 and 43,420.71

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Solution

The fourth proportional to 106,615.46, 159,922.37 and 43,420.71 is: 65,130.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,615.46 : 159,922.37 = 43,420.71 : x
  2. Step 2: Convert to fraction form
    106,615.46/159,922.37 = 43,420.71/x
  3. Step 3: Cross multiply
    106,615.46x = 159,922.37 × 43,420.71
  4. Step 4: Simplify right side
    106,615.46x = 6,943,942,633.18
  5. Step 5: Solve for x
    x = 6,943,942,633.18/106,615.46
  6. Step 6: Final answer
    x = 65,130.73

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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.