Home / 165,510.20-248,265.30-106,412.60

Finding the Fourth Proportional to 165,510.20, 248,265.30 and 106,412.60

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Solution

The fourth proportional to 165,510.20, 248,265.30 and 106,412.60 is: 159,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,510.20 : 248,265.30 = 106,412.60 : x
  2. Step 2: Convert to fraction form
    165,510.20/248,265.30 = 106,412.60/x
  3. Step 3: Cross multiply
    165,510.20x = 248,265.30 × 106,412.60
  4. Step 4: Simplify right side
    165,510.20x = 26,418,556,062.78
  5. Step 5: Solve for x
    x = 26,418,556,062.78/165,510.20
  6. Step 6: Final answer
    x = 159,618.90

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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.