Home / 336,784.88-504,739.91-136,872.63

Finding the Fourth Proportional to 336,784.88, 504,739.91 and 136,872.63

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Solution

The fourth proportional to 336,784.88, 504,739.91 and 136,872.63 is: 205,131.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,784.88 : 504,739.91 = 136,872.63 : x
  2. Step 2: Convert to fraction form
    336,784.88/504,739.91 = 136,872.63/x
  3. Step 3: Cross multiply
    336,784.88x = 504,739.91 × 136,872.63
  4. Step 4: Simplify right side
    336,784.88x = 69,085,079,289.84
  5. Step 5: Solve for x
    x = 69,085,079,289.84/336,784.88
  6. Step 6: Final answer
    x = 205,131.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.