Home / 199,782.22-275,707.87-114,899.38

Finding the Fourth Proportional to 199,782.22, 275,707.87 and 114,899.38

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Solution

The fourth proportional to 199,782.22, 275,707.87 and 114,899.38 is: 158,565.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,782.22 : 275,707.87 = 114,899.38 : x
  2. Step 2: Convert to fraction form
    199,782.22/275,707.87 = 114,899.38/x
  3. Step 3: Cross multiply
    199,782.22x = 275,707.87 × 114,899.38
  4. Step 4: Simplify right side
    199,782.22x = 31,678,661,945.58
  5. Step 5: Solve for x
    x = 31,678,661,945.58/199,782.22
  6. Step 6: Final answer
    x = 158,565.98

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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.