Home / 196,126.92-270,655.02-111,243.78

Finding the Fourth Proportional to 196,126.92, 270,655.02 and 111,243.78

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Solution

The fourth proportional to 196,126.92, 270,655.02 and 111,243.78 is: 153,516.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,126.92 : 270,655.02 = 111,243.78 : x
  2. Step 2: Convert to fraction form
    196,126.92/270,655.02 = 111,243.78/x
  3. Step 3: Cross multiply
    196,126.92x = 270,655.02 × 111,243.78
  4. Step 4: Simplify right side
    196,126.92x = 30,108,687,500.78
  5. Step 5: Solve for x
    x = 30,108,687,500.78/196,126.92
  6. Step 6: Final answer
    x = 153,516.34

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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.