Home / 439,105.14-658,659.30-106,681.14

Finding the Fourth Proportional to 439,105.14, 658,659.30 and 106,681.14

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Solution

The fourth proportional to 439,105.14, 658,659.30 and 106,681.14 is: 160,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,105.14 : 658,659.30 = 106,681.14 : x
  2. Step 2: Convert to fraction form
    439,105.14/658,659.30 = 106,681.14/x
  3. Step 3: Cross multiply
    439,105.14x = 658,659.30 × 106,681.14
  4. Step 4: Simplify right side
    439,105.14x = 70,266,524,995.60
  5. Step 5: Solve for x
    x = 70,266,524,995.60/439,105.14
  6. Step 6: Final answer
    x = 160,022.10

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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.