Home / 131,371.32-181,301.64-73,231.74

Finding the Fourth Proportional to 131,371.32, 181,301.64 and 73,231.74

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Solution

The fourth proportional to 131,371.32, 181,301.64 and 73,231.74 is: 101,064.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,371.32 : 181,301.64 = 73,231.74 : x
  2. Step 2: Convert to fraction form
    131,371.32/181,301.64 = 73,231.74/x
  3. Step 3: Cross multiply
    131,371.32x = 181,301.64 × 73,231.74
  4. Step 4: Simplify right side
    131,371.32x = 13,277,034,562.05
  5. Step 5: Solve for x
    x = 13,277,034,562.05/131,371.32
  6. Step 6: Final answer
    x = 101,064.94

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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.