Home / 286,174.03-394,921.68-178,806.32

Finding the Fourth Proportional to 286,174.03, 394,921.68 and 178,806.32

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Solution

The fourth proportional to 286,174.03, 394,921.68 and 178,806.32 is: 246,753.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,174.03 : 394,921.68 = 178,806.32 : x
  2. Step 2: Convert to fraction form
    286,174.03/394,921.68 = 178,806.32/x
  3. Step 3: Cross multiply
    286,174.03x = 394,921.68 × 178,806.32
  4. Step 4: Simplify right side
    286,174.03x = 70,614,492,289.02
  5. Step 5: Solve for x
    x = 70,614,492,289.02/286,174.03
  6. Step 6: Final answer
    x = 246,753.67

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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.