Home / 196,063.74-270,552.15-111,188.70

Finding the Fourth Proportional to 196,063.74, 270,552.15 and 111,188.70

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Solution

The fourth proportional to 196,063.74, 270,552.15 and 111,188.70 is: 153,431.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,063.74 : 270,552.15 = 111,188.70 : x
  2. Step 2: Convert to fraction form
    196,063.74/270,552.15 = 111,188.70/x
  3. Step 3: Cross multiply
    196,063.74x = 270,552.15 × 111,188.70
  4. Step 4: Simplify right side
    196,063.74x = 30,082,341,840.71
  5. Step 5: Solve for x
    x = 30,082,341,840.71/196,063.74
  6. Step 6: Final answer
    x = 153,431.44

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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.