Home / 556,934.20-835,401.30-136,204.60

Finding the Fourth Proportional to 556,934.20, 835,401.30 and 136,204.60

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Solution

The fourth proportional to 556,934.20, 835,401.30 and 136,204.60 is: 204,306.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,934.20 : 835,401.30 = 136,204.60 : x
  2. Step 2: Convert to fraction form
    556,934.20/835,401.30 = 136,204.60/x
  3. Step 3: Cross multiply
    556,934.20x = 835,401.30 × 136,204.60
  4. Step 4: Simplify right side
    556,934.20x = 113,785,499,905.98
  5. Step 5: Solve for x
    x = 113,785,499,905.98/556,934.20
  6. Step 6: Final answer
    x = 204,306.90

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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.