Home / 197,465.82-272,504.16-120,985.06

Finding the Fourth Proportional to 197,465.82, 272,504.16 and 120,985.06

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Solution

The fourth proportional to 197,465.82, 272,504.16 and 120,985.06 is: 166,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,465.82 : 272,504.16 = 120,985.06 : x
  2. Step 2: Convert to fraction form
    197,465.82/272,504.16 = 120,985.06/x
  3. Step 3: Cross multiply
    197,465.82x = 272,504.16 × 120,985.06
  4. Step 4: Simplify right side
    197,465.82x = 32,968,932,147.85
  5. Step 5: Solve for x
    x = 32,968,932,147.85/197,465.82
  6. Step 6: Final answer
    x = 166,960.20

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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.