Home / 131,233.90-181,108.68-73,892.94

Finding the Fourth Proportional to 131,233.90, 181,108.68 and 73,892.94

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Solution

The fourth proportional to 131,233.90, 181,108.68 and 73,892.94 is: 101,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,233.90 : 181,108.68 = 73,892.94 : x
  2. Step 2: Convert to fraction form
    131,233.90/181,108.68 = 73,892.94/x
  3. Step 3: Cross multiply
    131,233.90x = 181,108.68 × 73,892.94
  4. Step 4: Simplify right side
    131,233.90x = 13,382,652,824.72
  5. Step 5: Solve for x
    x = 13,382,652,824.72/131,233.90
  6. Step 6: Final answer
    x = 101,975.58

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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.