Home / 641,231.61-961,897.50-214,769.04

Finding the Fourth Proportional to 641,231.61, 961,897.50 and 214,769.04

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Solution

The fourth proportional to 641,231.61, 961,897.50 and 214,769.04 is: 322,170.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,231.61 : 961,897.50 = 214,769.04 : x
  2. Step 2: Convert to fraction form
    641,231.61/961,897.50 = 214,769.04/x
  3. Step 3: Cross multiply
    641,231.61x = 961,897.50 × 214,769.04
  4. Step 4: Simplify right side
    641,231.61x = 206,585,802,653.40
  5. Step 5: Solve for x
    x = 206,585,802,653.40/641,231.61
  6. Step 6: Final answer
    x = 322,170.34

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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.