Home / 253,984.24-350,499.21-139,264.66

Finding the Fourth Proportional to 253,984.24, 350,499.21 and 139,264.66

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Solution

The fourth proportional to 253,984.24, 350,499.21 and 139,264.66 is: 192,185.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,984.24 : 350,499.21 = 139,264.66 : x
  2. Step 2: Convert to fraction form
    253,984.24/350,499.21 = 139,264.66/x
  3. Step 3: Cross multiply
    253,984.24x = 350,499.21 × 139,264.66
  4. Step 4: Simplify right side
    253,984.24x = 48,812,153,310.92
  5. Step 5: Solve for x
    x = 48,812,153,310.92/253,984.24
  6. Step 6: Final answer
    x = 192,185.76

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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.