Home / 196,364.18-294,540.40-54,218.16

Finding the Fourth Proportional to 196,364.18, 294,540.40 and 54,218.16

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Solution

The fourth proportional to 196,364.18, 294,540.40 and 54,218.16 is: 81,325.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,364.18 : 294,540.40 = 54,218.16 : x
  2. Step 2: Convert to fraction form
    196,364.18/294,540.40 = 54,218.16/x
  3. Step 3: Cross multiply
    196,364.18x = 294,540.40 × 54,218.16
  4. Step 4: Simplify right side
    196,364.18x = 15,969,438,601.44
  5. Step 5: Solve for x
    x = 15,969,438,601.44/196,364.18
  6. Step 6: Final answer
    x = 81,325.62

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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.