Home / 352,493.10-527,962.05-212,006.70

Finding the Fourth Proportional to 352,493.10, 527,962.05 and 212,006.70

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Solution

The fourth proportional to 352,493.10, 527,962.05 and 212,006.70 is: 317,542.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,493.10 : 527,962.05 = 212,006.70 : x
  2. Step 2: Convert to fraction form
    352,493.10/527,962.05 = 212,006.70/x
  3. Step 3: Cross multiply
    352,493.10x = 527,962.05 × 212,006.70
  4. Step 4: Simplify right side
    352,493.10x = 111,931,491,945.74
  5. Step 5: Solve for x
    x = 111,931,491,945.74/352,493.10
  6. Step 6: Final answer
    x = 317,542.36

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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.