Home / 196,072.58-270,580.14-111,189.65

Finding the Fourth Proportional to 196,072.58, 270,580.14 and 111,189.65

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Solution

The fourth proportional to 196,072.58, 270,580.14 and 111,189.65 is: 153,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,072.58 : 270,580.14 = 111,189.65 : x
  2. Step 2: Convert to fraction form
    196,072.58/270,580.14 = 111,189.65/x
  3. Step 3: Cross multiply
    196,072.58x = 270,580.14 × 111,189.65
  4. Step 4: Simplify right side
    196,072.58x = 30,085,709,154.70
  5. Step 5: Solve for x
    x = 30,085,709,154.70/196,072.58
  6. Step 6: Final answer
    x = 153,441.70

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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.