Home / 196,214.92-270,744.02-115,631.51

Finding the Fourth Proportional to 196,214.92, 270,744.02 and 115,631.51

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Solution

The fourth proportional to 196,214.92, 270,744.02 and 115,631.51 is: 159,552.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,214.92 : 270,744.02 = 115,631.51 : x
  2. Step 2: Convert to fraction form
    196,214.92/270,744.02 = 115,631.51/x
  3. Step 3: Cross multiply
    196,214.92x = 270,744.02 × 115,631.51
  4. Step 4: Simplify right side
    196,214.92x = 31,306,540,205.96
  5. Step 5: Solve for x
    x = 31,306,540,205.96/196,214.92
  6. Step 6: Final answer
    x = 159,552.29

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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.