Home / 196,422.40-294,439.20-96,500.80

Finding the Fourth Proportional to 196,422.40, 294,439.20 and 96,500.80

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Solution

The fourth proportional to 196,422.40, 294,439.20 and 96,500.80 is: 144,655.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,422.40 : 294,439.20 = 96,500.80 : x
  2. Step 2: Convert to fraction form
    196,422.40/294,439.20 = 96,500.80/x
  3. Step 3: Cross multiply
    196,422.40x = 294,439.20 × 96,500.80
  4. Step 4: Simplify right side
    196,422.40x = 28,413,618,351.36
  5. Step 5: Solve for x
    x = 28,413,618,351.36/196,422.40
  6. Step 6: Final answer
    x = 144,655.69

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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.