Home / 664,136.20-996,097.38-190,713.88

Finding the Fourth Proportional to 664,136.20, 996,097.38 and 190,713.88

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Solution

The fourth proportional to 664,136.20, 996,097.38 and 190,713.88 is: 286,040.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,136.20 : 996,097.38 = 190,713.88 : x
  2. Step 2: Convert to fraction form
    664,136.20/996,097.38 = 190,713.88/x
  3. Step 3: Cross multiply
    664,136.20x = 996,097.38 × 190,713.88
  4. Step 4: Simplify right side
    664,136.20x = 189,969,596,197.63
  5. Step 5: Solve for x
    x = 189,969,596,197.63/664,136.20
  6. Step 6: Final answer
    x = 286,040.12

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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.