Home / 196,439.78-294,788.73-107,755.58

Finding the Fourth Proportional to 196,439.78, 294,788.73 and 107,755.58

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Solution

The fourth proportional to 196,439.78, 294,788.73 and 107,755.58 is: 161,704.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,439.78 : 294,788.73 = 107,755.58 : x
  2. Step 2: Convert to fraction form
    196,439.78/294,788.73 = 107,755.58/x
  3. Step 3: Cross multiply
    196,439.78x = 294,788.73 × 107,755.58
  4. Step 4: Simplify right side
    196,439.78x = 31,765,130,578.61
  5. Step 5: Solve for x
    x = 31,765,130,578.61/196,439.78
  6. Step 6: Final answer
    x = 161,704.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.