Home / 165,912.20-248,868.30-156,926.60

Finding the Fourth Proportional to 165,912.20, 248,868.30 and 156,926.60

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Solution

The fourth proportional to 165,912.20, 248,868.30 and 156,926.60 is: 235,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,912.20 : 248,868.30 = 156,926.60 : x
  2. Step 2: Convert to fraction form
    165,912.20/248,868.30 = 156,926.60/x
  3. Step 3: Cross multiply
    165,912.20x = 248,868.30 × 156,926.60
  4. Step 4: Simplify right side
    165,912.20x = 39,054,056,166.78
  5. Step 5: Solve for x
    x = 39,054,056,166.78/165,912.20
  6. Step 6: Final answer
    x = 235,389.90

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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.