Home / 197,373.88-272,375.48-111,332.57

Finding the Fourth Proportional to 197,373.88, 272,375.48 and 111,332.57

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Solution

The fourth proportional to 197,373.88, 272,375.48 and 111,332.57 is: 153,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,373.88 : 272,375.48 = 111,332.57 : x
  2. Step 2: Convert to fraction form
    197,373.88/272,375.48 = 111,332.57/x
  3. Step 3: Cross multiply
    197,373.88x = 272,375.48 × 111,332.57
  4. Step 4: Simplify right side
    197,373.88x = 30,324,261,636.72
  5. Step 5: Solve for x
    x = 30,324,261,636.72/197,373.88
  6. Step 6: Final answer
    x = 153,638.68

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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.