Home / 197,259.51-272,204.46-111,221.58

Finding the Fourth Proportional to 197,259.51, 272,204.46 and 111,221.58

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Solution

The fourth proportional to 197,259.51, 272,204.46 and 111,221.58 is: 153,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,259.51 : 272,204.46 = 111,221.58 : x
  2. Step 2: Convert to fraction form
    197,259.51/272,204.46 = 111,221.58/x
  3. Step 3: Cross multiply
    197,259.51x = 272,204.46 × 111,221.58
  4. Step 4: Simplify right side
    197,259.51x = 30,275,010,124.25
  5. Step 5: Solve for x
    x = 30,275,010,124.25/197,259.51
  6. Step 6: Final answer
    x = 153,478.08

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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.