Home / 199,186.45-274,870.32-111,968.89

Finding the Fourth Proportional to 199,186.45, 274,870.32 and 111,968.89

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Solution

The fourth proportional to 199,186.45, 274,870.32 and 111,968.89 is: 154,513.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,186.45 : 274,870.32 = 111,968.89 : x
  2. Step 2: Convert to fraction form
    199,186.45/274,870.32 = 111,968.89/x
  3. Step 3: Cross multiply
    199,186.45x = 274,870.32 × 111,968.89
  4. Step 4: Simplify right side
    199,186.45x = 30,776,924,624.34
  5. Step 5: Solve for x
    x = 30,776,924,624.34/199,186.45
  6. Step 6: Final answer
    x = 154,513.14

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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.