Home / 181,950.72-272,975.49-103,120.31

Finding the Fourth Proportional to 181,950.72, 272,975.49 and 103,120.31

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Solution

The fourth proportional to 181,950.72, 272,975.49 and 103,120.31 is: 154,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,950.72 : 272,975.49 = 103,120.31 : x
  2. Step 2: Convert to fraction form
    181,950.72/272,975.49 = 103,120.31/x
  3. Step 3: Cross multiply
    181,950.72x = 272,975.49 × 103,120.31
  4. Step 4: Simplify right side
    181,950.72x = 28,149,315,786.32
  5. Step 5: Solve for x
    x = 28,149,315,786.32/181,950.72
  6. Step 6: Final answer
    x = 154,708.46

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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.