Home / 197,605.56-272,721.42-112,739.16

Finding the Fourth Proportional to 197,605.56, 272,721.42 and 112,739.16

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Solution

The fourth proportional to 197,605.56, 272,721.42 and 112,739.16 is: 155,594.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,605.56 : 272,721.42 = 112,739.16 : x
  2. Step 2: Convert to fraction form
    197,605.56/272,721.42 = 112,739.16/x
  3. Step 3: Cross multiply
    197,605.56x = 272,721.42 × 112,739.16
  4. Step 4: Simplify right side
    197,605.56x = 30,746,383,804.81
  5. Step 5: Solve for x
    x = 30,746,383,804.81/197,605.56
  6. Step 6: Final answer
    x = 155,594.73

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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.