Home / 196,246.80-270,821.88-111,365.28

Finding the Fourth Proportional to 196,246.80, 270,821.88 and 111,365.28

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Solution

The fourth proportional to 196,246.80, 270,821.88 and 111,365.28 is: 153,684.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,246.80 : 270,821.88 = 111,365.28 : x
  2. Step 2: Convert to fraction form
    196,246.80/270,821.88 = 111,365.28/x
  3. Step 3: Cross multiply
    196,246.80x = 270,821.88 × 111,365.28
  4. Step 4: Simplify right side
    196,246.80x = 30,160,154,496.33
  5. Step 5: Solve for x
    x = 30,160,154,496.33/196,246.80
  6. Step 6: Final answer
    x = 153,684.82

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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.