Home / 331,972.72-458,161.08-188,754.22

Finding the Fourth Proportional to 331,972.72, 458,161.08 and 188,754.22

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Solution

The fourth proportional to 331,972.72, 458,161.08 and 188,754.22 is: 260,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,972.72 : 458,161.08 = 188,754.22 : x
  2. Step 2: Convert to fraction form
    331,972.72/458,161.08 = 188,754.22/x
  3. Step 3: Cross multiply
    331,972.72x = 458,161.08 × 188,754.22
  4. Step 4: Simplify right side
    331,972.72x = 86,479,837,289.76
  5. Step 5: Solve for x
    x = 86,479,837,289.76/331,972.72
  6. Step 6: Final answer
    x = 260,502.84

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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.