Home / 197,305.51-272,308.26-111,282.16

Finding the Fourth Proportional to 197,305.51, 272,308.26 and 111,282.16

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Solution

The fourth proportional to 197,305.51, 272,308.26 and 111,282.16 is: 153,584.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,305.51 : 272,308.26 = 111,282.16 : x
  2. Step 2: Convert to fraction form
    197,305.51/272,308.26 = 111,282.16/x
  3. Step 3: Cross multiply
    197,305.51x = 272,308.26 × 111,282.16
  4. Step 4: Simplify right side
    197,305.51x = 30,303,051,358.64
  5. Step 5: Solve for x
    x = 30,303,051,358.64/197,305.51
  6. Step 6: Final answer
    x = 153,584.42

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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.