Home / 349,043.20-481,666.88-213,304.36

Finding the Fourth Proportional to 349,043.20, 481,666.88 and 213,304.36

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Solution

The fourth proportional to 349,043.20, 481,666.88 and 213,304.36 is: 294,352.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,043.20 : 481,666.88 = 213,304.36 : x
  2. Step 2: Convert to fraction form
    349,043.20/481,666.88 = 213,304.36/x
  3. Step 3: Cross multiply
    349,043.20x = 481,666.88 × 213,304.36
  4. Step 4: Simplify right side
    349,043.20x = 102,741,645,571.60
  5. Step 5: Solve for x
    x = 102,741,645,571.60/349,043.20
  6. Step 6: Final answer
    x = 294,352.23

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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.