Home / 209,914.08-314,893.32-76,806.24

Finding the Fourth Proportional to 209,914.08, 314,893.32 and 76,806.24

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Solution

The fourth proportional to 209,914.08, 314,893.32 and 76,806.24 is: 115,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,914.08 : 314,893.32 = 76,806.24 : x
  2. Step 2: Convert to fraction form
    209,914.08/314,893.32 = 76,806.24/x
  3. Step 3: Cross multiply
    209,914.08x = 314,893.32 × 76,806.24
  4. Step 4: Simplify right side
    209,914.08x = 24,185,771,910.32
  5. Step 5: Solve for x
    x = 24,185,771,910.32/209,914.08
  6. Step 6: Final answer
    x = 115,217.48

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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.