Home / 197,651.03-272,766.18-111,628.12

Finding the Fourth Proportional to 197,651.03, 272,766.18 and 111,628.12

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Solution

The fourth proportional to 197,651.03, 272,766.18 and 111,628.12 is: 154,051.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,651.03 : 272,766.18 = 111,628.12 : x
  2. Step 2: Convert to fraction form
    197,651.03/272,766.18 = 111,628.12/x
  3. Step 3: Cross multiply
    197,651.03x = 272,766.18 × 111,628.12
  4. Step 4: Simplify right side
    197,651.03x = 30,448,375,191.07
  5. Step 5: Solve for x
    x = 30,448,375,191.07/197,651.03
  6. Step 6: Final answer
    x = 154,051.19

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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.