Home / 296,945.79-409,688.78-167,871.75

Finding the Fourth Proportional to 296,945.79, 409,688.78 and 167,871.75

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Solution

The fourth proportional to 296,945.79, 409,688.78 and 167,871.75 is: 231,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,945.79 : 409,688.78 = 167,871.75 : x
  2. Step 2: Convert to fraction form
    296,945.79/409,688.78 = 167,871.75/x
  3. Step 3: Cross multiply
    296,945.79x = 409,688.78 × 167,871.75
  4. Step 4: Simplify right side
    296,945.79x = 68,775,172,453.97
  5. Step 5: Solve for x
    x = 68,775,172,453.97/296,945.79
  6. Step 6: Final answer
    x = 231,608.51

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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.