Home / 202,527.29-279,489.99-111,881.36

Finding the Fourth Proportional to 202,527.29, 279,489.99 and 111,881.36

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Solution

The fourth proportional to 202,527.29, 279,489.99 and 111,881.36 is: 154,397.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,527.29 : 279,489.99 = 111,881.36 : x
  2. Step 2: Convert to fraction form
    202,527.29/279,489.99 = 111,881.36/x
  3. Step 3: Cross multiply
    202,527.29x = 279,489.99 × 111,881.36
  4. Step 4: Simplify right side
    202,527.29x = 31,269,718,790.14
  5. Step 5: Solve for x
    x = 31,269,718,790.14/202,527.29
  6. Step 6: Final answer
    x = 154,397.56

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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.