Home / 331,938.24-458,072.68-188,698.30

Finding the Fourth Proportional to 331,938.24, 458,072.68 and 188,698.30

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Solution

The fourth proportional to 331,938.24, 458,072.68 and 188,698.30 is: 260,402.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,938.24 : 458,072.68 = 188,698.30 : x
  2. Step 2: Convert to fraction form
    331,938.24/458,072.68 = 188,698.30/x
  3. Step 3: Cross multiply
    331,938.24x = 458,072.68 × 188,698.30
  4. Step 4: Simplify right side
    331,938.24x = 86,437,535,992.44
  5. Step 5: Solve for x
    x = 86,437,535,992.44/331,938.24
  6. Step 6: Final answer
    x = 260,402.47

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1.5x scale

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.