Home / 292,982.20-439,021-197,839.52

Finding the Fourth Proportional to 292,982.20, 439,021 and 197,839.52

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Solution

The fourth proportional to 292,982.20, 439,021 and 197,839.52 is: 296,453.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,982.20 : 439,021 = 197,839.52 : x
  2. Step 2: Convert to fraction form
    292,982.20/439,021 = 197,839.52/x
  3. Step 3: Cross multiply
    292,982.20x = 439,021 × 197,839.52
  4. Step 4: Simplify right side
    292,982.20x = 86,855,703,909.92
  5. Step 5: Solve for x
    x = 86,855,703,909.92/292,982.20
  6. Step 6: Final answer
    x = 296,453.86

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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.