Home / 102,799.72-154,086.22-67,246.28

Finding the Fourth Proportional to 102,799.72, 154,086.22 and 67,246.28

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Solution

The fourth proportional to 102,799.72, 154,086.22 and 67,246.28 is: 100,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,799.72 : 154,086.22 = 67,246.28 : x
  2. Step 2: Convert to fraction form
    102,799.72/154,086.22 = 67,246.28/x
  3. Step 3: Cross multiply
    102,799.72x = 154,086.22 × 67,246.28
  4. Step 4: Simplify right side
    102,799.72x = 10,361,725,094.26
  5. Step 5: Solve for x
    x = 10,361,725,094.26/102,799.72
  6. Step 6: Final answer
    x = 100,795.27

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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.