Home / 104,145.85-156,219.36-25,260.13

Finding the Fourth Proportional to 104,145.85, 156,219.36 and 25,260.13

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Solution

The fourth proportional to 104,145.85, 156,219.36 and 25,260.13 is: 37,890.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,145.85 : 156,219.36 = 25,260.13 : x
  2. Step 2: Convert to fraction form
    104,145.85/156,219.36 = 25,260.13/x
  3. Step 3: Cross multiply
    104,145.85x = 156,219.36 × 25,260.13
  4. Step 4: Simplify right side
    104,145.85x = 3,946,121,342.12
  5. Step 5: Solve for x
    x = 3,946,121,342.12/104,145.85
  6. Step 6: Final answer
    x = 37,890.34

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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.