Home / 209,146.68-313,781.58-76,024.84

Finding the Fourth Proportional to 209,146.68, 313,781.58 and 76,024.84

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Solution

The fourth proportional to 209,146.68, 313,781.58 and 76,024.84 is: 114,059.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,146.68 : 313,781.58 = 76,024.84 : x
  2. Step 2: Convert to fraction form
    209,146.68/313,781.58 = 76,024.84/x
  3. Step 3: Cross multiply
    209,146.68x = 313,781.58 × 76,024.84
  4. Step 4: Simplify right side
    209,146.68x = 23,855,194,414.45
  5. Step 5: Solve for x
    x = 23,855,194,414.45/209,146.68
  6. Step 6: Final answer
    x = 114,059.64

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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.