Home / 196,063.20-294,215.76-90,862.56

Finding the Fourth Proportional to 196,063.20, 294,215.76 and 90,862.56

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Solution

The fourth proportional to 196,063.20, 294,215.76 and 90,862.56 is: 136,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,063.20 : 294,215.76 = 90,862.56 : x
  2. Step 2: Convert to fraction form
    196,063.20/294,215.76 = 90,862.56/x
  3. Step 3: Cross multiply
    196,063.20x = 294,215.76 × 90,862.56
  4. Step 4: Simplify right side
    196,063.20x = 26,733,197,145.95
  5. Step 5: Solve for x
    x = 26,733,197,145.95/196,063.20
  6. Step 6: Final answer
    x = 136,349.90

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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.