Home / 186,669.28-257,608.92-101,791

Finding the Fourth Proportional to 186,669.28, 257,608.92 and 101,791

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Solution

The fourth proportional to 186,669.28, 257,608.92 and 101,791 is: 140,474.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,669.28 : 257,608.92 = 101,791 : x
  2. Step 2: Convert to fraction form
    186,669.28/257,608.92 = 101,791/x
  3. Step 3: Cross multiply
    186,669.28x = 257,608.92 × 101,791
  4. Step 4: Simplify right side
    186,669.28x = 26,222,269,575.72
  5. Step 5: Solve for x
    x = 26,222,269,575.72/186,669.28
  6. Step 6: Final answer
    x = 140,474.48

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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.