Home / 196,216.20-270,695.55-123,490.15

Finding the Fourth Proportional to 196,216.20, 270,695.55 and 123,490.15

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Solution

The fourth proportional to 196,216.20, 270,695.55 and 123,490.15 is: 170,364.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,216.20 : 270,695.55 = 123,490.15 : x
  2. Step 2: Convert to fraction form
    196,216.20/270,695.55 = 123,490.15/x
  3. Step 3: Cross multiply
    196,216.20x = 270,695.55 × 123,490.15
  4. Step 4: Simplify right side
    196,216.20x = 33,428,233,397.09
  5. Step 5: Solve for x
    x = 33,428,233,397.09/196,216.20
  6. Step 6: Final answer
    x = 170,364.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.