Home / 106,660.40-159,655.05-73,184.72

Finding the Fourth Proportional to 106,660.40, 159,655.05 and 73,184.72

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Solution

The fourth proportional to 106,660.40, 159,655.05 and 73,184.72 is: 109,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,660.40 : 159,655.05 = 73,184.72 : x
  2. Step 2: Convert to fraction form
    106,660.40/159,655.05 = 73,184.72/x
  3. Step 3: Cross multiply
    106,660.40x = 159,655.05 × 73,184.72
  4. Step 4: Simplify right side
    106,660.40x = 11,684,309,332.56
  5. Step 5: Solve for x
    x = 11,684,309,332.56/106,660.40
  6. Step 6: Final answer
    x = 109,546.84

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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.