Home / 336,859.04-505,260.09-109,149.83

Finding the Fourth Proportional to 336,859.04, 505,260.09 and 109,149.83

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Solution

The fourth proportional to 336,859.04, 505,260.09 and 109,149.83 is: 163,715.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,859.04 : 505,260.09 = 109,149.83 : x
  2. Step 2: Convert to fraction form
    336,859.04/505,260.09 = 109,149.83/x
  3. Step 3: Cross multiply
    336,859.04x = 505,260.09 × 109,149.83
  4. Step 4: Simplify right side
    336,859.04x = 55,149,054,824.01
  5. Step 5: Solve for x
    x = 55,149,054,824.01/336,859.04
  6. Step 6: Final answer
    x = 163,715.53

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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.