Home / 196,187.24-270,747.29-115,618.16

Finding the Fourth Proportional to 196,187.24, 270,747.29 and 115,618.16

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Solution

The fourth proportional to 196,187.24, 270,747.29 and 115,618.16 is: 159,558.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,187.24 : 270,747.29 = 115,618.16 : x
  2. Step 2: Convert to fraction form
    196,187.24/270,747.29 = 115,618.16/x
  3. Step 3: Cross multiply
    196,187.24x = 270,747.29 × 115,618.16
  4. Step 4: Simplify right side
    196,187.24x = 31,303,303,494.79
  5. Step 5: Solve for x
    x = 31,303,303,494.79/196,187.24
  6. Step 6: Final answer
    x = 159,558.31

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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.