Home / 196,191.63-270,753.33-115,622.55

Finding the Fourth Proportional to 196,191.63, 270,753.33 and 115,622.55

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Solution

The fourth proportional to 196,191.63, 270,753.33 and 115,622.55 is: 159,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,191.63 : 270,753.33 = 115,622.55 : x
  2. Step 2: Convert to fraction form
    196,191.63/270,753.33 = 115,622.55/x
  3. Step 3: Cross multiply
    196,191.63x = 270,753.33 × 115,622.55
  4. Step 4: Simplify right side
    196,191.63x = 31,305,190,435.59
  5. Step 5: Solve for x
    x = 31,305,190,435.59/196,191.63
  6. Step 6: Final answer
    x = 159,564.35

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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.