Home / 197,853.45-273,051.15-111,782.58

Finding the Fourth Proportional to 197,853.45, 273,051.15 and 111,782.58

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Solution

The fourth proportional to 197,853.45, 273,051.15 and 111,782.58 is: 154,267.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,853.45 : 273,051.15 = 111,782.58 : x
  2. Step 2: Convert to fraction form
    197,853.45/273,051.15 = 111,782.58/x
  3. Step 3: Cross multiply
    197,853.45x = 273,051.15 × 111,782.58
  4. Step 4: Simplify right side
    197,853.45x = 30,522,362,018.97
  5. Step 5: Solve for x
    x = 30,522,362,018.97/197,853.45
  6. Step 6: Final answer
    x = 154,267.52

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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.