Home / 382,220.64-527,464.82-210,141.54

Finding the Fourth Proportional to 382,220.64, 527,464.82 and 210,141.54

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Solution

The fourth proportional to 382,220.64, 527,464.82 and 210,141.54 is: 289,995.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,220.64 : 527,464.82 = 210,141.54 : x
  2. Step 2: Convert to fraction form
    382,220.64/527,464.82 = 210,141.54/x
  3. Step 3: Cross multiply
    382,220.64x = 527,464.82 × 210,141.54
  4. Step 4: Simplify right side
    382,220.64x = 110,842,270,095.98
  5. Step 5: Solve for x
    x = 110,842,270,095.98/382,220.64
  6. Step 6: Final answer
    x = 289,995.51

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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.