Home / 196,341.20-294,633.30-78,000.20

Finding the Fourth Proportional to 196,341.20, 294,633.30 and 78,000.20

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Solution

The fourth proportional to 196,341.20, 294,633.30 and 78,000.20 is: 117,048.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,341.20 : 294,633.30 = 78,000.20 : x
  2. Step 2: Convert to fraction form
    196,341.20/294,633.30 = 78,000.20/x
  3. Step 3: Cross multiply
    196,341.20x = 294,633.30 × 78,000.20
  4. Step 4: Simplify right side
    196,341.20x = 22,981,456,326.66
  5. Step 5: Solve for x
    x = 22,981,456,326.66/196,341.20
  6. Step 6: Final answer
    x = 117,048.57

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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.