Home / 197,819.51-272,990.97-107,176.10

Finding the Fourth Proportional to 197,819.51, 272,990.97 and 107,176.10

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Solution

The fourth proportional to 197,819.51, 272,990.97 and 107,176.10 is: 147,903.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,819.51 : 272,990.97 = 107,176.10 : x
  2. Step 2: Convert to fraction form
    197,819.51/272,990.97 = 107,176.10/x
  3. Step 3: Cross multiply
    197,819.51x = 272,990.97 × 107,176.10
  4. Step 4: Simplify right side
    197,819.51x = 29,258,106,134.86
  5. Step 5: Solve for x
    x = 29,258,106,134.86/197,819.51
  6. Step 6: Final answer
    x = 147,903.04

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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.