Home / 104,799.30-156,890.07-69,195.30

Finding the Fourth Proportional to 104,799.30, 156,890.07 and 69,195.30

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Solution

The fourth proportional to 104,799.30, 156,890.07 and 69,195.30 is: 103,589.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,799.30 : 156,890.07 = 69,195.30 : x
  2. Step 2: Convert to fraction form
    104,799.30/156,890.07 = 69,195.30/x
  3. Step 3: Cross multiply
    104,799.30x = 156,890.07 × 69,195.30
  4. Step 4: Simplify right side
    104,799.30x = 10,856,055,460.67
  5. Step 5: Solve for x
    x = 10,856,055,460.67/104,799.30
  6. Step 6: Final answer
    x = 103,589.01

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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.