Home / 143,015.94-196,662.15-124,120.26

Finding the Fourth Proportional to 143,015.94, 196,662.15 and 124,120.26

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Solution

The fourth proportional to 143,015.94, 196,662.15 and 124,120.26 is: 170,678.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,015.94 : 196,662.15 = 124,120.26 : x
  2. Step 2: Convert to fraction form
    143,015.94/196,662.15 = 124,120.26/x
  3. Step 3: Cross multiply
    143,015.94x = 196,662.15 × 124,120.26
  4. Step 4: Simplify right side
    143,015.94x = 24,409,757,190.16
  5. Step 5: Solve for x
    x = 24,409,757,190.16/143,015.94
  6. Step 6: Final answer
    x = 170,678.58

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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.