Home / 387,036.99-534,093.32-214,965.96

Finding the Fourth Proportional to 387,036.99, 534,093.32 and 214,965.96

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Solution

The fourth proportional to 387,036.99, 534,093.32 and 214,965.96 is: 296,643.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,036.99 : 534,093.32 = 214,965.96 : x
  2. Step 2: Convert to fraction form
    387,036.99/534,093.32 = 214,965.96/x
  3. Step 3: Cross multiply
    387,036.99x = 534,093.32 × 214,965.96
  4. Step 4: Simplify right side
    387,036.99x = 114,811,882,188.56
  5. Step 5: Solve for x
    x = 114,811,882,188.56/387,036.99
  6. Step 6: Final answer
    x = 296,643.18

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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.