Home / 146,145.69-219,193.82-40,940.46

Finding the Fourth Proportional to 146,145.69, 219,193.82 and 40,940.46

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Solution

The fourth proportional to 146,145.69, 219,193.82 and 40,940.46 is: 61,403.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,145.69 : 219,193.82 = 40,940.46 : x
  2. Step 2: Convert to fraction form
    146,145.69/219,193.82 = 40,940.46/x
  3. Step 3: Cross multiply
    146,145.69x = 219,193.82 × 40,940.46
  4. Step 4: Simplify right side
    146,145.69x = 8,973,895,615.25
  5. Step 5: Solve for x
    x = 8,973,895,615.25/146,145.69
  6. Step 6: Final answer
    x = 61,403.77

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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.