Home / 196,068.56-270,622.68-111,235.28

Finding the Fourth Proportional to 196,068.56, 270,622.68 and 111,235.28

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Solution

The fourth proportional to 196,068.56, 270,622.68 and 111,235.28 is: 153,531.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,068.56 : 270,622.68 = 111,235.28 : x
  2. Step 2: Convert to fraction form
    196,068.56/270,622.68 = 111,235.28/x
  3. Step 3: Cross multiply
    196,068.56x = 270,622.68 × 111,235.28
  4. Step 4: Simplify right side
    196,068.56x = 30,102,789,584.15
  5. Step 5: Solve for x
    x = 30,102,789,584.15/196,068.56
  6. Step 6: Final answer
    x = 153,531.96

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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.