Home / 302,958.23-418,063.32-166,984.69

Finding the Fourth Proportional to 302,958.23, 418,063.32 and 166,984.69

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Solution

The fourth proportional to 302,958.23, 418,063.32 and 166,984.69 is: 230,428.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,958.23 : 418,063.32 = 166,984.69 : x
  2. Step 2: Convert to fraction form
    302,958.23/418,063.32 = 166,984.69/x
  3. Step 3: Cross multiply
    302,958.23x = 418,063.32 × 166,984.69
  4. Step 4: Simplify right side
    302,958.23x = 69,810,172,845.41
  5. Step 5: Solve for x
    x = 69,810,172,845.41/302,958.23
  6. Step 6: Final answer
    x = 230,428.38

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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.