Home / 189,331.48-261,273.20-104,448.52

Finding the Fourth Proportional to 189,331.48, 261,273.20 and 104,448.52

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Solution

The fourth proportional to 189,331.48, 261,273.20 and 104,448.52 is: 144,136.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,331.48 : 261,273.20 = 104,448.52 : x
  2. Step 2: Convert to fraction form
    189,331.48/261,273.20 = 104,448.52/x
  3. Step 3: Cross multiply
    189,331.48x = 261,273.20 × 104,448.52
  4. Step 4: Simplify right side
    189,331.48x = 27,289,599,055.66
  5. Step 5: Solve for x
    x = 27,289,599,055.66/189,331.48
  6. Step 6: Final answer
    x = 144,136.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.