Home / 196,290.28-294,513.18-71,718.76

Finding the Fourth Proportional to 196,290.28, 294,513.18 and 71,718.76

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Solution

The fourth proportional to 196,290.28, 294,513.18 and 71,718.76 is: 107,606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,290.28 : 294,513.18 = 71,718.76 : x
  2. Step 2: Convert to fraction form
    196,290.28/294,513.18 = 71,718.76/x
  3. Step 3: Cross multiply
    196,290.28x = 294,513.18 × 71,718.76
  4. Step 4: Simplify right side
    196,290.28x = 21,122,120,073.26
  5. Step 5: Solve for x
    x = 21,122,120,073.26/196,290.28
  6. Step 6: Final answer
    x = 107,606.55

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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.