Home / 128,014.19-192,021.07-53,084.33

Finding the Fourth Proportional to 128,014.19, 192,021.07 and 53,084.33

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Solution

The fourth proportional to 128,014.19, 192,021.07 and 53,084.33 is: 79,626.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,014.19 : 192,021.07 = 53,084.33 : x
  2. Step 2: Convert to fraction form
    128,014.19/192,021.07 = 53,084.33/x
  3. Step 3: Cross multiply
    128,014.19x = 192,021.07 × 53,084.33
  4. Step 4: Simplify right side
    128,014.19x = 10,193,309,846.83
  5. Step 5: Solve for x
    x = 10,193,309,846.83/128,014.19
  6. Step 6: Final answer
    x = 79,626.41

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1.5x scale

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.