Home / 352,214.60-527,544.30-211,728.20

Finding the Fourth Proportional to 352,214.60, 527,544.30 and 211,728.20

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Solution

The fourth proportional to 352,214.60, 527,544.30 and 211,728.20 is: 317,124.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,214.60 : 527,544.30 = 211,728.20 : x
  2. Step 2: Convert to fraction form
    352,214.60/527,544.30 = 211,728.20/x
  3. Step 3: Cross multiply
    352,214.60x = 527,544.30 × 211,728.20
  4. Step 4: Simplify right side
    352,214.60x = 111,696,005,059.26
  5. Step 5: Solve for x
    x = 111,696,005,059.26/352,214.60
  6. Step 6: Final answer
    x = 317,124.86

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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.