Home / 196,148.25-294,266.12-71,489.25

Finding the Fourth Proportional to 196,148.25, 294,266.12 and 71,489.25

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Solution

The fourth proportional to 196,148.25, 294,266.12 and 71,489.25 is: 107,249.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,148.25 : 294,266.12 = 71,489.25 : x
  2. Step 2: Convert to fraction form
    196,148.25/294,266.12 = 71,489.25/x
  3. Step 3: Cross multiply
    196,148.25x = 294,266.12 × 71,489.25
  4. Step 4: Simplify right side
    196,148.25x = 21,036,863,861.76
  5. Step 5: Solve for x
    x = 21,036,863,861.76/196,148.25
  6. Step 6: Final answer
    x = 107,249.82

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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.