Home / 196,049.70-294,171.84-77,718.42

Finding the Fourth Proportional to 196,049.70, 294,171.84 and 77,718.42

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Solution

The fourth proportional to 196,049.70, 294,171.84 and 77,718.42 is: 116,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,049.70 : 294,171.84 = 77,718.42 : x
  2. Step 2: Convert to fraction form
    196,049.70/294,171.84 = 77,718.42/x
  3. Step 3: Cross multiply
    196,049.70x = 294,171.84 × 77,718.42
  4. Step 4: Simplify right side
    196,049.70x = 22,862,570,613.29
  5. Step 5: Solve for x
    x = 22,862,570,613.29/196,049.70
  6. Step 6: Final answer
    x = 116,616.20

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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.