Home / 382,161.08-527,369.46-212,391.56

Finding the Fourth Proportional to 382,161.08, 527,369.46 and 212,391.56

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Solution

The fourth proportional to 382,161.08, 527,369.46 and 212,391.56 is: 293,093.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,161.08 : 527,369.46 = 212,391.56 : x
  2. Step 2: Convert to fraction form
    382,161.08/527,369.46 = 212,391.56/x
  3. Step 3: Cross multiply
    382,161.08x = 527,369.46 × 212,391.56
  4. Step 4: Simplify right side
    382,161.08x = 112,008,822,305.76
  5. Step 5: Solve for x
    x = 112,008,822,305.76/382,161.08
  6. Step 6: Final answer
    x = 293,093.22

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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.