Home / 181,406.91-272,113.08-69,093.33

Finding the Fourth Proportional to 181,406.91, 272,113.08 and 69,093.33

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Solution

The fourth proportional to 181,406.91, 272,113.08 and 69,093.33 is: 103,641.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,406.91 : 272,113.08 = 69,093.33 : x
  2. Step 2: Convert to fraction form
    181,406.91/272,113.08 = 69,093.33/x
  3. Step 3: Cross multiply
    181,406.91x = 272,113.08 × 69,093.33
  4. Step 4: Simplify right side
    181,406.91x = 18,801,198,833.76
  5. Step 5: Solve for x
    x = 18,801,198,833.76/181,406.91
  6. Step 6: Final answer
    x = 103,641.03

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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.