Home / 196,324.64-270,942-111,447.18

Finding the Fourth Proportional to 196,324.64, 270,942 and 111,447.18

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Solution

The fourth proportional to 196,324.64, 270,942 and 111,447.18 is: 153,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,324.64 : 270,942 = 111,447.18 : x
  2. Step 2: Convert to fraction form
    196,324.64/270,942 = 111,447.18/x
  3. Step 3: Cross multiply
    196,324.64x = 270,942 × 111,447.18
  4. Step 4: Simplify right side
    196,324.64x = 30,195,721,843.56
  5. Step 5: Solve for x
    x = 30,195,721,843.56/196,324.64
  6. Step 6: Final answer
    x = 153,805.05

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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.