Home / 196,343.69-270,876.33-113,542.38

Finding the Fourth Proportional to 196,343.69, 270,876.33 and 113,542.38

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Solution

The fourth proportional to 196,343.69, 270,876.33 and 113,542.38 is: 156,643.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,343.69 : 270,876.33 = 113,542.38 : x
  2. Step 2: Convert to fraction form
    196,343.69/270,876.33 = 113,542.38/x
  3. Step 3: Cross multiply
    196,343.69x = 270,876.33 × 113,542.38
  4. Step 4: Simplify right side
    196,343.69x = 30,755,943,193.87
  5. Step 5: Solve for x
    x = 30,755,943,193.87/196,343.69
  6. Step 6: Final answer
    x = 156,643.40

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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.