Home / 495,619.23-743,429.43-135,793.15

Finding the Fourth Proportional to 495,619.23, 743,429.43 and 135,793.15

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Solution

The fourth proportional to 495,619.23, 743,429.43 and 135,793.15 is: 203,689.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,619.23 : 743,429.43 = 135,793.15 : x
  2. Step 2: Convert to fraction form
    495,619.23/743,429.43 = 135,793.15/x
  3. Step 3: Cross multiply
    495,619.23x = 743,429.43 × 135,793.15
  4. Step 4: Simplify right side
    495,619.23x = 100,952,621,866.74
  5. Step 5: Solve for x
    x = 100,952,621,866.74/495,619.23
  6. Step 6: Final answer
    x = 203,689.88

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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.