Home / 352,213.60-527,542.80-211,727.20

Finding the Fourth Proportional to 352,213.60, 527,542.80 and 211,727.20

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Solution

The fourth proportional to 352,213.60, 527,542.80 and 211,727.20 is: 317,123.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,213.60 : 527,542.80 = 211,727.20 : x
  2. Step 2: Convert to fraction form
    352,213.60/527,542.80 = 211,727.20/x
  3. Step 3: Cross multiply
    352,213.60x = 527,542.80 × 211,727.20
  4. Step 4: Simplify right side
    352,213.60x = 111,695,159,924.16
  5. Step 5: Solve for x
    x = 111,695,159,924.16/352,213.60
  6. Step 6: Final answer
    x = 317,123.36

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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.