Home / 441,149.03-661,591.04-156,802.20

Finding the Fourth Proportional to 441,149.03, 661,591.04 and 156,802.20

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Solution

The fourth proportional to 441,149.03, 661,591.04 and 156,802.20 is: 235,156.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,149.03 : 661,591.04 = 156,802.20 : x
  2. Step 2: Convert to fraction form
    441,149.03/661,591.04 = 156,802.20/x
  3. Step 3: Cross multiply
    441,149.03x = 661,591.04 × 156,802.20
  4. Step 4: Simplify right side
    441,149.03x = 103,738,933,771.50
  5. Step 5: Solve for x
    x = 103,738,933,771.50/441,149.03
  6. Step 6: Final answer
    x = 235,156.21

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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.