Home / 106,384.20-159,357.60-73,141.80

Finding the Fourth Proportional to 106,384.20, 159,357.60 and 73,141.80

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Solution

The fourth proportional to 106,384.20, 159,357.60 and 73,141.80 is: 109,562.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,384.20 : 159,357.60 = 73,141.80 : x
  2. Step 2: Convert to fraction form
    106,384.20/159,357.60 = 73,141.80/x
  3. Step 3: Cross multiply
    106,384.20x = 159,357.60 × 73,141.80
  4. Step 4: Simplify right side
    106,384.20x = 11,655,701,707.68
  5. Step 5: Solve for x
    x = 11,655,701,707.68/106,384.20
  6. Step 6: Final answer
    x = 109,562.34

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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.