Home / 208,392.14-312,588.21-50,619.53

Finding the Fourth Proportional to 208,392.14, 312,588.21 and 50,619.53

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Solution

The fourth proportional to 208,392.14, 312,588.21 and 50,619.53 is: 75,929.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,392.14 : 312,588.21 = 50,619.53 : x
  2. Step 2: Convert to fraction form
    208,392.14/312,588.21 = 50,619.53/x
  3. Step 3: Cross multiply
    208,392.14x = 312,588.21 × 50,619.53
  4. Step 4: Simplify right side
    208,392.14x = 15,823,066,457.70
  5. Step 5: Solve for x
    x = 15,823,066,457.70/208,392.14
  6. Step 6: Final answer
    x = 75,929.29

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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.