Home / 104,180.62-156,275.26-30,308.62

Finding the Fourth Proportional to 104,180.62, 156,275.26 and 30,308.62

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Solution

The fourth proportional to 104,180.62, 156,275.26 and 30,308.62 is: 45,464.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,180.62 : 156,275.26 = 30,308.62 : x
  2. Step 2: Convert to fraction form
    104,180.62/156,275.26 = 30,308.62/x
  3. Step 3: Cross multiply
    104,180.62x = 156,275.26 × 30,308.62
  4. Step 4: Simplify right side
    104,180.62x = 4,736,487,470.74
  5. Step 5: Solve for x
    x = 4,736,487,470.74/104,180.62
  6. Step 6: Final answer
    x = 45,464.19

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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.