Home / 197,162.00-272,089.01-120,679.57

Finding the Fourth Proportional to 197,162.00, 272,089.01 and 120,679.57

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Solution

The fourth proportional to 197,162.00, 272,089.01 and 120,679.57 is: 166,541.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,162.00 : 272,089.01 = 120,679.57 : x
  2. Step 2: Convert to fraction form
    197,162.00/272,089.01 = 120,679.57/x
  3. Step 3: Cross multiply
    197,162.00x = 272,089.01 × 120,679.57
  4. Step 4: Simplify right side
    197,162.00x = 32,835,582,764.68
  5. Step 5: Solve for x
    x = 32,835,582,764.68/197,162.00
  6. Step 6: Final answer
    x = 166,541.14

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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.