Home / 106,871.76-160,280.30-40,292.18

Finding the Fourth Proportional to 106,871.76, 160,280.30 and 40,292.18

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Solution

The fourth proportional to 106,871.76, 160,280.30 and 40,292.18 is: 60,427.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,871.76 : 160,280.30 = 40,292.18 : x
  2. Step 2: Convert to fraction form
    106,871.76/160,280.30 = 40,292.18/x
  3. Step 3: Cross multiply
    106,871.76x = 160,280.30 × 40,292.18
  4. Step 4: Simplify right side
    106,871.76x = 6,458,042,698.05
  5. Step 5: Solve for x
    x = 6,458,042,698.05/106,871.76
  6. Step 6: Final answer
    x = 60,427.96

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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.