Home / 258,145.66-356,238.40-141,861.04

Finding the Fourth Proportional to 258,145.66, 356,238.40 and 141,861.04

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Solution

The fourth proportional to 258,145.66, 356,238.40 and 141,861.04 is: 195,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,145.66 : 356,238.40 = 141,861.04 : x
  2. Step 2: Convert to fraction form
    258,145.66/356,238.40 = 141,861.04/x
  3. Step 3: Cross multiply
    258,145.66x = 356,238.40 × 141,861.04
  4. Step 4: Simplify right side
    258,145.66x = 50,536,349,911.94
  5. Step 5: Solve for x
    x = 50,536,349,911.94/258,145.66
  6. Step 6: Final answer
    x = 195,766.80

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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.