Home / 208,556.33-312,831.25-50,783.45

Finding the Fourth Proportional to 208,556.33, 312,831.25 and 50,783.45

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Solution

The fourth proportional to 208,556.33, 312,831.25 and 50,783.45 is: 76,174.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,556.33 : 312,831.25 = 50,783.45 : x
  2. Step 2: Convert to fraction form
    208,556.33/312,831.25 = 50,783.45/x
  3. Step 3: Cross multiply
    208,556.33x = 312,831.25 × 50,783.45
  4. Step 4: Simplify right side
    208,556.33x = 15,886,648,451.70
  5. Step 5: Solve for x
    x = 15,886,648,451.70/208,556.33
  6. Step 6: Final answer
    x = 76,174.38

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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.