Home / 190,454.33-262,228.49-161,713.50

Finding the Fourth Proportional to 190,454.33, 262,228.49 and 161,713.50

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Solution

The fourth proportional to 190,454.33, 262,228.49 and 161,713.50 is: 222,656.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,454.33 : 262,228.49 = 161,713.50 : x
  2. Step 2: Convert to fraction form
    190,454.33/262,228.49 = 161,713.50/x
  3. Step 3: Cross multiply
    190,454.33x = 262,228.49 × 161,713.50
  4. Step 4: Simplify right side
    190,454.33x = 42,405,886,917.62
  5. Step 5: Solve for x
    x = 42,405,886,917.62/190,454.33
  6. Step 6: Final answer
    x = 222,656.47

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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.