Home / 104,661.48-156,880.38-76,130.04

Finding the Fourth Proportional to 104,661.48, 156,880.38 and 76,130.04

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Solution

The fourth proportional to 104,661.48, 156,880.38 and 76,130.04 is: 114,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,661.48 : 156,880.38 = 76,130.04 : x
  2. Step 2: Convert to fraction form
    104,661.48/156,880.38 = 76,130.04/x
  3. Step 3: Cross multiply
    104,661.48x = 156,880.38 × 76,130.04
  4. Step 4: Simplify right side
    104,661.48x = 11,943,309,604.62
  5. Step 5: Solve for x
    x = 11,943,309,604.62/104,661.48
  6. Step 6: Final answer
    x = 114,113.71

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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.