Home / 181,394.90-272,095.10-69,081.33

Finding the Fourth Proportional to 181,394.90, 272,095.10 and 69,081.33

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Solution

The fourth proportional to 181,394.90, 272,095.10 and 69,081.33 is: 103,623.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,394.90 : 272,095.10 = 69,081.33 : x
  2. Step 2: Convert to fraction form
    181,394.90/272,095.10 = 69,081.33/x
  3. Step 3: Cross multiply
    181,394.90x = 272,095.10 × 69,081.33
  4. Step 4: Simplify right side
    181,394.90x = 18,796,691,049.08
  5. Step 5: Solve for x
    x = 18,796,691,049.08/181,394.90
  6. Step 6: Final answer
    x = 103,623.04

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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.