Home / 202,781.16-304,257.54-109,177.56

Finding the Fourth Proportional to 202,781.16, 304,257.54 and 109,177.56

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Solution

The fourth proportional to 202,781.16, 304,257.54 and 109,177.56 is: 163,812.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,781.16 : 304,257.54 = 109,177.56 : x
  2. Step 2: Convert to fraction form
    202,781.16/304,257.54 = 109,177.56/x
  3. Step 3: Cross multiply
    202,781.16x = 304,257.54 × 109,177.56
  4. Step 4: Simplify right side
    202,781.16x = 33,218,095,828.80
  5. Step 5: Solve for x
    x = 33,218,095,828.80/202,781.16
  6. Step 6: Final answer
    x = 163,812.53

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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.