Home / 197,272.16-272,170.26-111,220.37

Finding the Fourth Proportional to 197,272.16, 272,170.26 and 111,220.37

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Solution

The fourth proportional to 197,272.16, 272,170.26 and 111,220.37 is: 153,447.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,272.16 : 272,170.26 = 111,220.37 : x
  2. Step 2: Convert to fraction form
    197,272.16/272,170.26 = 111,220.37/x
  3. Step 3: Cross multiply
    197,272.16x = 272,170.26 × 111,220.37
  4. Step 4: Simplify right side
    197,272.16x = 30,270,875,659.34
  5. Step 5: Solve for x
    x = 30,270,875,659.34/197,272.16
  6. Step 6: Final answer
    x = 153,447.28

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1.5x scale

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.