Home / 196,158.20-270,695.76-115,589.12

Finding the Fourth Proportional to 196,158.20, 270,695.76 and 115,589.12

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Solution

The fourth proportional to 196,158.20, 270,695.76 and 115,589.12 is: 159,511.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,158.20 : 270,695.76 = 115,589.12 : x
  2. Step 2: Convert to fraction form
    196,158.20/270,695.76 = 115,589.12/x
  3. Step 3: Cross multiply
    196,158.20x = 270,695.76 × 115,589.12
  4. Step 4: Simplify right side
    196,158.20x = 31,289,484,686.13
  5. Step 5: Solve for x
    x = 31,289,484,686.13/196,158.20
  6. Step 6: Final answer
    x = 159,511.48

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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.