Home / 196,700.38-293,930.79-147,694.20

Finding the Fourth Proportional to 196,700.38, 293,930.79 and 147,694.20

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Solution

The fourth proportional to 196,700.38, 293,930.79 and 147,694.20 is: 220,700.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,700.38 : 293,930.79 = 147,694.20 : x
  2. Step 2: Convert to fraction form
    196,700.38/293,930.79 = 147,694.20/x
  3. Step 3: Cross multiply
    196,700.38x = 293,930.79 × 147,694.20
  4. Step 4: Simplify right side
    196,700.38x = 43,411,873,438.27
  5. Step 5: Solve for x
    x = 43,411,873,438.27/196,700.38
  6. Step 6: Final answer
    x = 220,700.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.