Home / 181,604.37-272,225.81-86,723.64

Finding the Fourth Proportional to 181,604.37, 272,225.81 and 86,723.64

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Solution

The fourth proportional to 181,604.37, 272,225.81 and 86,723.64 is: 129,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,604.37 : 272,225.81 = 86,723.64 : x
  2. Step 2: Convert to fraction form
    181,604.37/272,225.81 = 86,723.64/x
  3. Step 3: Cross multiply
    181,604.37x = 272,225.81 × 86,723.64
  4. Step 4: Simplify right side
    181,604.37x = 23,608,413,145.15
  5. Step 5: Solve for x
    x = 23,608,413,145.15/181,604.37
  6. Step 6: Final answer
    x = 129,999.15

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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.