Home / 197,820.27-272,992.01-107,176.86

Finding the Fourth Proportional to 197,820.27, 272,992.01 and 107,176.86

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Solution

The fourth proportional to 197,820.27, 272,992.01 and 107,176.86 is: 147,904.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,820.27 : 272,992.01 = 107,176.86 : x
  2. Step 2: Convert to fraction form
    197,820.27/272,992.01 = 107,176.86/x
  3. Step 3: Cross multiply
    197,820.27x = 272,992.01 × 107,176.86
  4. Step 4: Simplify right side
    197,820.27x = 29,258,425,901.00
  5. Step 5: Solve for x
    x = 29,258,425,901.00/197,820.27
  6. Step 6: Final answer
    x = 147,904.08

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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.