Home / 196,436.00-294,708.39-78,190.38

Finding the Fourth Proportional to 196,436.00, 294,708.39 and 78,190.38

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Solution

The fourth proportional to 196,436.00, 294,708.39 and 78,190.38 is: 117,307.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,436.00 : 294,708.39 = 78,190.38 : x
  2. Step 2: Convert to fraction form
    196,436.00/294,708.39 = 78,190.38/x
  3. Step 3: Cross multiply
    196,436.00x = 294,708.39 × 78,190.38
  4. Step 4: Simplify right side
    196,436.00x = 23,043,359,576.73
  5. Step 5: Solve for x
    x = 23,043,359,576.73/196,436.00
  6. Step 6: Final answer
    x = 117,307.21

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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.