Home / 208,936.50-313,529.28-75,827.16

Finding the Fourth Proportional to 208,936.50, 313,529.28 and 75,827.16

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Solution

The fourth proportional to 208,936.50, 313,529.28 and 75,827.16 is: 113,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,936.50 : 313,529.28 = 75,827.16 : x
  2. Step 2: Convert to fraction form
    208,936.50/313,529.28 = 75,827.16/x
  3. Step 3: Cross multiply
    208,936.50x = 313,529.28 × 75,827.16
  4. Step 4: Simplify right side
    208,936.50x = 23,774,034,879.24
  5. Step 5: Solve for x
    x = 23,774,034,879.24/208,936.50
  6. Step 6: Final answer
    x = 113,785.93

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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.