Home / 495,816.62-743,725.08-135,991.22

Finding the Fourth Proportional to 495,816.62, 743,725.08 and 135,991.22

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Solution

The fourth proportional to 495,816.62, 743,725.08 and 135,991.22 is: 203,986.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,816.62 : 743,725.08 = 135,991.22 : x
  2. Step 2: Convert to fraction form
    495,816.62/743,725.08 = 135,991.22/x
  3. Step 3: Cross multiply
    495,816.62x = 743,725.08 × 135,991.22
  4. Step 4: Simplify right side
    495,816.62x = 101,140,077,255.17
  5. Step 5: Solve for x
    x = 101,140,077,255.17/495,816.62
  6. Step 6: Final answer
    x = 203,986.87

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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.