Home / 376,529.18-519,604.95-213,181.48

Finding the Fourth Proportional to 376,529.18, 519,604.95 and 213,181.48

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Solution

The fourth proportional to 376,529.18, 519,604.95 and 213,181.48 is: 294,187.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,529.18 : 519,604.95 = 213,181.48 : x
  2. Step 2: Convert to fraction form
    376,529.18/519,604.95 = 213,181.48/x
  3. Step 3: Cross multiply
    376,529.18x = 519,604.95 × 213,181.48
  4. Step 4: Simplify right side
    376,529.18x = 110,770,152,256.33
  5. Step 5: Solve for x
    x = 110,770,152,256.33/376,529.18
  6. Step 6: Final answer
    x = 294,187.43

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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.