Home / 495,540.18-743,604.30-180,021.69

Finding the Fourth Proportional to 495,540.18, 743,604.30 and 180,021.69

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Solution

The fourth proportional to 495,540.18, 743,604.30 and 180,021.69 is: 270,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,540.18 : 743,604.30 = 180,021.69 : x
  2. Step 2: Convert to fraction form
    495,540.18/743,604.30 = 180,021.69/x
  3. Step 3: Cross multiply
    495,540.18x = 743,604.30 × 180,021.69
  4. Step 4: Simplify right side
    495,540.18x = 133,864,902,777.27
  5. Step 5: Solve for x
    x = 133,864,902,777.27/495,540.18
  6. Step 6: Final answer
    x = 270,139.35

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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.