Home / 131,223.03-181,102.32-73,864.11

Finding the Fourth Proportional to 131,223.03, 181,102.32 and 73,864.11

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Solution

The fourth proportional to 131,223.03, 181,102.32 and 73,864.11 is: 101,940.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,223.03 : 181,102.32 = 73,864.11 : x
  2. Step 2: Convert to fraction form
    131,223.03/181,102.32 = 73,864.11/x
  3. Step 3: Cross multiply
    131,223.03x = 181,102.32 × 73,864.11
  4. Step 4: Simplify right side
    131,223.03x = 13,376,961,685.74
  5. Step 5: Solve for x
    x = 13,376,961,685.74/131,223.03
  6. Step 6: Final answer
    x = 101,940.66

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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.