Home / 146,144.96-219,087.84-71,223.20

Finding the Fourth Proportional to 146,144.96, 219,087.84 and 71,223.20

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Solution

The fourth proportional to 146,144.96, 219,087.84 and 71,223.20 is: 106,771.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,144.96 : 219,087.84 = 71,223.20 : x
  2. Step 2: Convert to fraction form
    146,144.96/219,087.84 = 71,223.20/x
  3. Step 3: Cross multiply
    146,144.96x = 219,087.84 × 71,223.20
  4. Step 4: Simplify right side
    146,144.96x = 15,604,137,045.89
  5. Step 5: Solve for x
    x = 15,604,137,045.89/146,144.96
  6. Step 6: Final answer
    x = 106,771.64

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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.