Home / 196,196.96-270,743.64-111,318.68

Finding the Fourth Proportional to 196,196.96, 270,743.64 and 111,318.68

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Solution

The fourth proportional to 196,196.96, 270,743.64 and 111,318.68 is: 153,615.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,196.96 : 270,743.64 = 111,318.68 : x
  2. Step 2: Convert to fraction form
    196,196.96/270,743.64 = 111,318.68/x
  3. Step 3: Cross multiply
    196,196.96x = 270,743.64 × 111,318.68
  4. Step 4: Simplify right side
    196,196.96x = 30,138,824,623.20
  5. Step 5: Solve for x
    x = 30,138,824,623.20/196,196.96
  6. Step 6: Final answer
    x = 153,615.15

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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.