Home / 104,470.85-156,795.75-103,684.55

Finding the Fourth Proportional to 104,470.85, 156,795.75 and 103,684.55

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Solution

The fourth proportional to 104,470.85, 156,795.75 and 103,684.55 is: 155,615.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,470.85 : 156,795.75 = 103,684.55 : x
  2. Step 2: Convert to fraction form
    104,470.85/156,795.75 = 103,684.55/x
  3. Step 3: Cross multiply
    104,470.85x = 156,795.75 × 103,684.55
  4. Step 4: Simplify right side
    104,470.85x = 16,257,295,996.68
  5. Step 5: Solve for x
    x = 16,257,295,996.68/104,470.85
  6. Step 6: Final answer
    x = 155,615.62

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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.