Home / 197,812.37-272,981.14-107,168.96

Finding the Fourth Proportional to 197,812.37, 272,981.14 and 107,168.96

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Solution

The fourth proportional to 197,812.37, 272,981.14 and 107,168.96 is: 147,893.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,812.37 : 272,981.14 = 107,168.96 : x
  2. Step 2: Convert to fraction form
    197,812.37/272,981.14 = 107,168.96/x
  3. Step 3: Cross multiply
    197,812.37x = 272,981.14 × 107,168.96
  4. Step 4: Simplify right side
    197,812.37x = 29,255,105,287.94
  5. Step 5: Solve for x
    x = 29,255,105,287.94/197,812.37
  6. Step 6: Final answer
    x = 147,893.20

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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.