Home / 268,996.05-370,816.25-172,185.66

Finding the Fourth Proportional to 268,996.05, 370,816.25 and 172,185.66

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Solution

The fourth proportional to 268,996.05, 370,816.25 and 172,185.66 is: 237,361.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,996.05 : 370,816.25 = 172,185.66 : x
  2. Step 2: Convert to fraction form
    268,996.05/370,816.25 = 172,185.66/x
  3. Step 3: Cross multiply
    268,996.05x = 370,816.25 × 172,185.66
  4. Step 4: Simplify right side
    268,996.05x = 63,849,239,884.05
  5. Step 5: Solve for x
    x = 63,849,239,884.05/268,996.05
  6. Step 6: Final answer
    x = 237,361.25

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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.