Home / 128,084.76-192,136.36-49,198.98

Finding the Fourth Proportional to 128,084.76, 192,136.36 and 49,198.98

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Solution

The fourth proportional to 128,084.76, 192,136.36 and 49,198.98 is: 73,802.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,084.76 : 192,136.36 = 49,198.98 : x
  2. Step 2: Convert to fraction form
    128,084.76/192,136.36 = 49,198.98/x
  3. Step 3: Cross multiply
    128,084.76x = 192,136.36 × 49,198.98
  4. Step 4: Simplify right side
    128,084.76x = 9,452,912,932.91
  5. Step 5: Solve for x
    x = 9,452,912,932.91/128,084.76
  6. Step 6: Final answer
    x = 73,802.01

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1.5x scale

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.