Home / 197,497.20-296,239.14-79,136.76

Finding the Fourth Proportional to 197,497.20, 296,239.14 and 79,136.76

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Solution

The fourth proportional to 197,497.20, 296,239.14 and 79,136.76 is: 118,702.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,497.20 : 296,239.14 = 79,136.76 : x
  2. Step 2: Convert to fraction form
    197,497.20/296,239.14 = 79,136.76/x
  3. Step 3: Cross multiply
    197,497.20x = 296,239.14 × 79,136.76
  4. Step 4: Simplify right side
    197,497.20x = 23,443,405,724.79
  5. Step 5: Solve for x
    x = 23,443,405,724.79/197,497.20
  6. Step 6: Final answer
    x = 118,702.47

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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.