Home / 376,192.58-519,145.72-215,051.22

Finding the Fourth Proportional to 376,192.58, 519,145.72 and 215,051.22

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Solution

The fourth proportional to 376,192.58, 519,145.72 and 215,051.22 is: 296,770.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,192.58 : 519,145.72 = 215,051.22 : x
  2. Step 2: Convert to fraction form
    376,192.58/519,145.72 = 215,051.22/x
  3. Step 3: Cross multiply
    376,192.58x = 519,145.72 × 215,051.22
  4. Step 4: Simplify right side
    376,192.58x = 111,642,919,906.15
  5. Step 5: Solve for x
    x = 111,642,919,906.15/376,192.58
  6. Step 6: Final answer
    x = 296,770.66

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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.