Home / 190,902.40-263,327.52-122,896.96

Finding the Fourth Proportional to 190,902.40, 263,327.52 and 122,896.96

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Solution

The fourth proportional to 190,902.40, 263,327.52 and 122,896.96 is: 169,521.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,902.40 : 263,327.52 = 122,896.96 : x
  2. Step 2: Convert to fraction form
    190,902.40/263,327.52 = 122,896.96/x
  3. Step 3: Cross multiply
    190,902.40x = 263,327.52 × 122,896.96
  4. Step 4: Simplify right side
    190,902.40x = 32,362,151,692.34
  5. Step 5: Solve for x
    x = 32,362,151,692.34/190,902.40
  6. Step 6: Final answer
    x = 169,521.97

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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.