Home / 146,021.32-219,100.14-143,662.60

Finding the Fourth Proportional to 146,021.32, 219,100.14 and 143,662.60

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Solution

The fourth proportional to 146,021.32, 219,100.14 and 143,662.60 is: 215,560.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,021.32 : 219,100.14 = 143,662.60 : x
  2. Step 2: Convert to fraction form
    146,021.32/219,100.14 = 143,662.60/x
  3. Step 3: Cross multiply
    146,021.32x = 219,100.14 × 143,662.60
  4. Step 4: Simplify right side
    146,021.32x = 31,476,495,772.76
  5. Step 5: Solve for x
    x = 31,476,495,772.76/146,021.32
  6. Step 6: Final answer
    x = 215,560.96

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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.