Home / 181,815.56-272,836.92-69,505.28

Finding the Fourth Proportional to 181,815.56, 272,836.92 and 69,505.28

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Solution

The fourth proportional to 181,815.56, 272,836.92 and 69,505.28 is: 104,301.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,815.56 : 272,836.92 = 69,505.28 : x
  2. Step 2: Convert to fraction form
    181,815.56/272,836.92 = 69,505.28/x
  3. Step 3: Cross multiply
    181,815.56x = 272,836.92 × 69,505.28
  4. Step 4: Simplify right side
    181,815.56x = 18,963,606,518.94
  5. Step 5: Solve for x
    x = 18,963,606,518.94/181,815.56
  6. Step 6: Final answer
    x = 104,301.34

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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.