Home / 106,998.40-160,516.80-44,675.20

Finding the Fourth Proportional to 106,998.40, 160,516.80 and 44,675.20

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Solution

The fourth proportional to 106,998.40, 160,516.80 and 44,675.20 is: 67,020.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,998.40 : 160,516.80 = 44,675.20 : x
  2. Step 2: Convert to fraction form
    106,998.40/160,516.80 = 44,675.20/x
  3. Step 3: Cross multiply
    106,998.40x = 160,516.80 × 44,675.20
  4. Step 4: Simplify right side
    106,998.40x = 7,171,120,143.36
  5. Step 5: Solve for x
    x = 7,171,120,143.36/106,998.40
  6. Step 6: Final answer
    x = 67,020.82

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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.