Home / 199,776.09-275,699.39-114,893.22

Finding the Fourth Proportional to 199,776.09, 275,699.39 and 114,893.22

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Solution

The fourth proportional to 199,776.09, 275,699.39 and 114,893.22 is: 158,557.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,776.09 : 275,699.39 = 114,893.22 : x
  2. Step 2: Convert to fraction form
    199,776.09/275,699.39 = 114,893.22/x
  3. Step 3: Cross multiply
    199,776.09x = 275,699.39 × 114,893.22
  4. Step 4: Simplify right side
    199,776.09x = 31,675,990,094.67
  5. Step 5: Solve for x
    x = 31,675,990,094.67/199,776.09
  6. Step 6: Final answer
    x = 158,557.46

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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.