Home / 302,450.50-417,208.73-189,076.42

Finding the Fourth Proportional to 302,450.50, 417,208.73 and 189,076.42

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Solution

The fourth proportional to 302,450.50, 417,208.73 and 189,076.42 is: 260,817.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,450.50 : 417,208.73 = 189,076.42 : x
  2. Step 2: Convert to fraction form
    302,450.50/417,208.73 = 189,076.42/x
  3. Step 3: Cross multiply
    302,450.50x = 417,208.73 × 189,076.42
  4. Step 4: Simplify right side
    302,450.50x = 78,884,331,072.74
  5. Step 5: Solve for x
    x = 78,884,331,072.74/302,450.50
  6. Step 6: Final answer
    x = 260,817.33

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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.