Home / 199,019.13-298,568.07-56,865.69

Finding the Fourth Proportional to 199,019.13, 298,568.07 and 56,865.69

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Solution

The fourth proportional to 199,019.13, 298,568.07 and 56,865.69 is: 85,309.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,019.13 : 298,568.07 = 56,865.69 : x
  2. Step 2: Convert to fraction form
    199,019.13/298,568.07 = 56,865.69/x
  3. Step 3: Cross multiply
    199,019.13x = 298,568.07 × 56,865.69
  4. Step 4: Simplify right side
    199,019.13x = 16,978,279,312.52
  5. Step 5: Solve for x
    x = 16,978,279,312.52/199,019.13
  6. Step 6: Final answer
    x = 85,309.79

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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.