Home / 352,496.10-527,966.55-212,009.70

Finding the Fourth Proportional to 352,496.10, 527,966.55 and 212,009.70

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Solution

The fourth proportional to 352,496.10, 527,966.55 and 212,009.70 is: 317,546.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,496.10 : 527,966.55 = 212,009.70 : x
  2. Step 2: Convert to fraction form
    352,496.10/527,966.55 = 212,009.70/x
  3. Step 3: Cross multiply
    352,496.10x = 527,966.55 × 212,009.70
  4. Step 4: Simplify right side
    352,496.10x = 111,934,029,875.54
  5. Step 5: Solve for x
    x = 111,934,029,875.54/352,496.10
  6. Step 6: Final answer
    x = 317,546.86

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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.