Home / 356,629.37-534,916.78-103,911.80

Finding the Fourth Proportional to 356,629.37, 534,916.78 and 103,911.80

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Solution

The fourth proportional to 356,629.37, 534,916.78 and 103,911.80 is: 155,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,629.37 : 534,916.78 = 103,911.80 : x
  2. Step 2: Convert to fraction form
    356,629.37/534,916.78 = 103,911.80/x
  3. Step 3: Cross multiply
    356,629.37x = 534,916.78 × 103,911.80
  4. Step 4: Simplify right side
    356,629.37x = 55,584,162,525.64
  5. Step 5: Solve for x
    x = 55,584,162,525.64/356,629.37
  6. Step 6: Final answer
    x = 155,859.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.