Home / 209,656.76-314,222.60-165,107.57

Finding the Fourth Proportional to 209,656.76, 314,222.60 and 165,107.57

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Solution

The fourth proportional to 209,656.76, 314,222.60 and 165,107.57 is: 247,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,656.76 : 314,222.60 = 165,107.57 : x
  2. Step 2: Convert to fraction form
    209,656.76/314,222.60 = 165,107.57/x
  3. Step 3: Cross multiply
    209,656.76x = 314,222.60 × 165,107.57
  4. Step 4: Simplify right side
    209,656.76x = 51,880,529,099.54
  5. Step 5: Solve for x
    x = 51,880,529,099.54/209,656.76
  6. Step 6: Final answer
    x = 247,454.60

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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.