Home / 196,121.38-293,923.62-77,728.18

Finding the Fourth Proportional to 196,121.38, 293,923.62 and 77,728.18

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Solution

The fourth proportional to 196,121.38, 293,923.62 and 77,728.18 is: 116,489.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,121.38 : 293,923.62 = 77,728.18 : x
  2. Step 2: Convert to fraction form
    196,121.38/293,923.62 = 77,728.18/x
  3. Step 3: Cross multiply
    196,121.38x = 293,923.62 × 77,728.18
  4. Step 4: Simplify right side
    196,121.38x = 22,846,148,041.61
  5. Step 5: Solve for x
    x = 22,846,148,041.61/196,121.38
  6. Step 6: Final answer
    x = 116,489.84

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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.