Home / 448,921.95-673,233.52-145,243.97

Finding the Fourth Proportional to 448,921.95, 673,233.52 and 145,243.97

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Solution

The fourth proportional to 448,921.95, 673,233.52 and 145,243.97 is: 217,817.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,921.95 : 673,233.52 = 145,243.97 : x
  2. Step 2: Convert to fraction form
    448,921.95/673,233.52 = 145,243.97/x
  3. Step 3: Cross multiply
    448,921.95x = 673,233.52 × 145,243.97
  4. Step 4: Simplify right side
    448,921.95x = 97,783,109,181.87
  5. Step 5: Solve for x
    x = 97,783,109,181.87/448,921.95
  6. Step 6: Final answer
    x = 217,817.62

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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.