Home / 644,149.90-966,334.20-194,867.20

Finding the Fourth Proportional to 644,149.90, 966,334.20 and 194,867.20

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Solution

The fourth proportional to 644,149.90, 966,334.20 and 194,867.20 is: 292,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,149.90 : 966,334.20 = 194,867.20 : x
  2. Step 2: Convert to fraction form
    644,149.90/966,334.20 = 194,867.20/x
  3. Step 3: Cross multiply
    644,149.90x = 966,334.20 × 194,867.20
  4. Step 4: Simplify right side
    644,149.90x = 188,306,839,818.24
  5. Step 5: Solve for x
    x = 188,306,839,818.24/644,149.90
  6. Step 6: Final answer
    x = 292,333.88

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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.