Home / 197,296.32-272,204.64-120,735.52

Finding the Fourth Proportional to 197,296.32, 272,204.64 and 120,735.52

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Solution

The fourth proportional to 197,296.32, 272,204.64 and 120,735.52 is: 166,575.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,296.32 : 272,204.64 = 120,735.52 : x
  2. Step 2: Convert to fraction form
    197,296.32/272,204.64 = 120,735.52/x
  3. Step 3: Cross multiply
    197,296.32x = 272,204.64 × 120,735.52
  4. Step 4: Simplify right side
    197,296.32x = 32,864,768,756.81
  5. Step 5: Solve for x
    x = 32,864,768,756.81/197,296.32
  6. Step 6: Final answer
    x = 166,575.68

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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.