Home / 196,324.80-270,929.54-111,443.28

Finding the Fourth Proportional to 196,324.80, 270,929.54 and 111,443.28

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Solution

The fourth proportional to 196,324.80, 270,929.54 and 111,443.28 is: 153,792.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,324.80 : 270,929.54 = 111,443.28 : x
  2. Step 2: Convert to fraction form
    196,324.80/270,929.54 = 111,443.28/x
  3. Step 3: Cross multiply
    196,324.80x = 270,929.54 × 111,443.28
  4. Step 4: Simplify right side
    196,324.80x = 30,193,276,586.49
  5. Step 5: Solve for x
    x = 30,193,276,586.49/196,324.80
  6. Step 6: Final answer
    x = 153,792.47

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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.