Home / 286,004.09-394,870.53-177,223.86

Finding the Fourth Proportional to 286,004.09, 394,870.53 and 177,223.86

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Solution

The fourth proportional to 286,004.09, 394,870.53 and 177,223.86 is: 244,683.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,004.09 : 394,870.53 = 177,223.86 : x
  2. Step 2: Convert to fraction form
    286,004.09/394,870.53 = 177,223.86/x
  3. Step 3: Cross multiply
    286,004.09x = 394,870.53 × 177,223.86
  4. Step 4: Simplify right side
    286,004.09x = 69,980,479,526.85
  5. Step 5: Solve for x
    x = 69,980,479,526.85/286,004.09
  6. Step 6: Final answer
    x = 244,683.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.