Home / 197,377.70-272,370.80-111,334.23

Finding the Fourth Proportional to 197,377.70, 272,370.80 and 111,334.23

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Solution

The fourth proportional to 197,377.70, 272,370.80 and 111,334.23 is: 153,635.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,377.70 : 272,370.80 = 111,334.23 : x
  2. Step 2: Convert to fraction form
    197,377.70/272,370.80 = 111,334.23/x
  3. Step 3: Cross multiply
    197,377.70x = 272,370.80 × 111,334.23
  4. Step 4: Simplify right side
    197,377.70x = 30,324,193,570.82
  5. Step 5: Solve for x
    x = 30,324,193,570.82/197,377.70
  6. Step 6: Final answer
    x = 153,635.36

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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.