Home / 196,086.79-270,599.77-111,203.85

Finding the Fourth Proportional to 196,086.79, 270,599.77 and 111,203.85

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Solution

The fourth proportional to 196,086.79, 270,599.77 and 111,203.85 is: 153,461.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,086.79 : 270,599.77 = 111,203.85 : x
  2. Step 2: Convert to fraction form
    196,086.79/270,599.77 = 111,203.85/x
  3. Step 3: Cross multiply
    196,086.79x = 270,599.77 × 111,203.85
  4. Step 4: Simplify right side
    196,086.79x = 30,091,736,233.11
  5. Step 5: Solve for x
    x = 30,091,736,233.11/196,086.79
  6. Step 6: Final answer
    x = 153,461.31

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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.