Home / 384,863.05-531,137.01-223,717.60

Finding the Fourth Proportional to 384,863.05, 531,137.01 and 223,717.60

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Solution

The fourth proportional to 384,863.05, 531,137.01 and 223,717.60 is: 308,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,863.05 : 531,137.01 = 223,717.60 : x
  2. Step 2: Convert to fraction form
    384,863.05/531,137.01 = 223,717.60/x
  3. Step 3: Cross multiply
    384,863.05x = 531,137.01 × 223,717.60
  4. Step 4: Simplify right side
    384,863.05x = 118,824,697,148.38
  5. Step 5: Solve for x
    x = 118,824,697,148.38/384,863.05
  6. Step 6: Final answer
    x = 308,745.40

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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.