Home / 146,912.94-220,365.36-98,771.40

Finding the Fourth Proportional to 146,912.94, 220,365.36 and 98,771.40

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Solution

The fourth proportional to 146,912.94, 220,365.36 and 98,771.40 is: 148,154.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,912.94 : 220,365.36 = 98,771.40 : x
  2. Step 2: Convert to fraction form
    146,912.94/220,365.36 = 98,771.40/x
  3. Step 3: Cross multiply
    146,912.94x = 220,365.36 × 98,771.40
  4. Step 4: Simplify right side
    146,912.94x = 21,765,795,118.70
  5. Step 5: Solve for x
    x = 21,765,795,118.70/146,912.94
  6. Step 6: Final answer
    x = 148,154.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.