Home / 229,238.48-343,624.44-212,267.36

Finding the Fourth Proportional to 229,238.48, 343,624.44 and 212,267.36

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Solution

The fourth proportional to 229,238.48, 343,624.44 and 212,267.36 is: 318,185.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,238.48 : 343,624.44 = 212,267.36 : x
  2. Step 2: Convert to fraction form
    229,238.48/343,624.44 = 212,267.36/x
  3. Step 3: Cross multiply
    229,238.48x = 343,624.44 × 212,267.36
  4. Step 4: Simplify right side
    229,238.48x = 72,940,252,710.28
  5. Step 5: Solve for x
    x = 72,940,252,710.28/229,238.48
  6. Step 6: Final answer
    x = 318,185.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.