Home / 197,392.47-272,404.36-111,355.44

Finding the Fourth Proportional to 197,392.47, 272,404.36 and 111,355.44

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Solution

The fourth proportional to 197,392.47, 272,404.36 and 111,355.44 is: 153,672.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,392.47 : 272,404.36 = 111,355.44 : x
  2. Step 2: Convert to fraction form
    197,392.47/272,404.36 = 111,355.44/x
  3. Step 3: Cross multiply
    197,392.47x = 272,404.36 × 111,355.44
  4. Step 4: Simplify right side
    197,392.47x = 30,333,707,365.72
  5. Step 5: Solve for x
    x = 30,333,707,365.72/197,392.47
  6. Step 6: Final answer
    x = 153,672.06

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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.