Home / 181,816.06-272,837.67-69,505.78

Finding the Fourth Proportional to 181,816.06, 272,837.67 and 69,505.78

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Solution

The fourth proportional to 181,816.06, 272,837.67 and 69,505.78 is: 104,302.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,816.06 : 272,837.67 = 69,505.78 : x
  2. Step 2: Convert to fraction form
    181,816.06/272,837.67 = 69,505.78/x
  3. Step 3: Cross multiply
    181,816.06x = 272,837.67 × 69,505.78
  4. Step 4: Simplify right side
    181,816.06x = 18,963,795,066.73
  5. Step 5: Solve for x
    x = 18,963,795,066.73/181,816.06
  6. Step 6: Final answer
    x = 104,302.09

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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.