Home / 382,167.54-527,385.24-210,081.78

Finding the Fourth Proportional to 382,167.54, 527,385.24 and 210,081.78

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Solution

The fourth proportional to 382,167.54, 527,385.24 and 210,081.78 is: 289,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,167.54 : 527,385.24 = 210,081.78 : x
  2. Step 2: Convert to fraction form
    382,167.54/527,385.24 = 210,081.78/x
  3. Step 3: Cross multiply
    382,167.54x = 527,385.24 × 210,081.78
  4. Step 4: Simplify right side
    382,167.54x = 110,794,029,964.93
  5. Step 5: Solve for x
    x = 110,794,029,964.93/382,167.54
  6. Step 6: Final answer
    x = 289,909.58

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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.