Home / 197,255.03-272,206.50-111,213.26

Finding the Fourth Proportional to 197,255.03, 272,206.50 and 111,213.26

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Solution

The fourth proportional to 197,255.03, 272,206.50 and 111,213.26 is: 153,471.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,255.03 : 272,206.50 = 111,213.26 : x
  2. Step 2: Convert to fraction form
    197,255.03/272,206.50 = 111,213.26/x
  3. Step 3: Cross multiply
    197,255.03x = 272,206.50 × 111,213.26
  4. Step 4: Simplify right side
    197,255.03x = 30,272,973,218.23
  5. Step 5: Solve for x
    x = 30,272,973,218.23/197,255.03
  6. Step 6: Final answer
    x = 153,471.23

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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.