Home / 196,014.78-270,495.12-109,966.53

Finding the Fourth Proportional to 196,014.78, 270,495.12 and 109,966.53

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Solution

The fourth proportional to 196,014.78, 270,495.12 and 109,966.53 is: 151,750.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,014.78 : 270,495.12 = 109,966.53 : x
  2. Step 2: Convert to fraction form
    196,014.78/270,495.12 = 109,966.53/x
  3. Step 3: Cross multiply
    196,014.78x = 270,495.12 × 109,966.53
  4. Step 4: Simplify right side
    196,014.78x = 29,745,409,728.33
  5. Step 5: Solve for x
    x = 29,745,409,728.33/196,014.78
  6. Step 6: Final answer
    x = 151,750.85

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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.