Home / 209,200.14-313,792.92-67,043.32

Finding the Fourth Proportional to 209,200.14, 313,792.92 and 67,043.32

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Solution

The fourth proportional to 209,200.14, 313,792.92 and 67,043.32 is: 100,562.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,200.14 : 313,792.92 = 67,043.32 : x
  2. Step 2: Convert to fraction form
    209,200.14/313,792.92 = 67,043.32/x
  3. Step 3: Cross multiply
    209,200.14x = 313,792.92 × 67,043.32
  4. Step 4: Simplify right side
    209,200.14x = 21,037,718,364.81
  5. Step 5: Solve for x
    x = 21,037,718,364.81/209,200.14
  6. Step 6: Final answer
    x = 100,562.64

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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.