Home / 382,287.94-527,563.74-210,213.36

Finding the Fourth Proportional to 382,287.94, 527,563.74 and 210,213.36

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Solution

The fourth proportional to 382,287.94, 527,563.74 and 210,213.36 is: 290,097.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,287.94 : 527,563.74 = 210,213.36 : x
  2. Step 2: Convert to fraction form
    382,287.94/527,563.74 = 210,213.36/x
  3. Step 3: Cross multiply
    382,287.94x = 527,563.74 × 210,213.36
  4. Step 4: Simplify right side
    382,287.94x = 110,900,946,399.57
  5. Step 5: Solve for x
    x = 110,900,946,399.57/382,287.94
  6. Step 6: Final answer
    x = 290,097.95

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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.