Home / 349,043.12-481,666.32-213,304.04

Finding the Fourth Proportional to 349,043.12, 481,666.32 and 213,304.04

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Solution

The fourth proportional to 349,043.12, 481,666.32 and 213,304.04 is: 294,351.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,043.12 : 481,666.32 = 213,304.04 : x
  2. Step 2: Convert to fraction form
    349,043.12/481,666.32 = 213,304.04/x
  3. Step 3: Cross multiply
    349,043.12x = 481,666.32 × 213,304.04
  4. Step 4: Simplify right side
    349,043.12x = 102,741,371,987.93
  5. Step 5: Solve for x
    x = 102,741,371,987.93/349,043.12
  6. Step 6: Final answer
    x = 294,351.52

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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.