Home / 382,279.15-527,499.30-210,168.73

Finding the Fourth Proportional to 382,279.15, 527,499.30 and 210,168.73

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Solution

The fourth proportional to 382,279.15, 527,499.30 and 210,168.73 is: 290,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,279.15 : 527,499.30 = 210,168.73 : x
  2. Step 2: Convert to fraction form
    382,279.15/527,499.30 = 210,168.73/x
  3. Step 3: Cross multiply
    382,279.15x = 527,499.30 × 210,168.73
  4. Step 4: Simplify right side
    382,279.15x = 110,863,857,956.89
  5. Step 5: Solve for x
    x = 110,863,857,956.89/382,279.15
  6. Step 6: Final answer
    x = 290,007.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.