Home / 209,176.66-313,266.12-114,265.18

Finding the Fourth Proportional to 209,176.66, 313,266.12 and 114,265.18

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Solution

The fourth proportional to 209,176.66, 313,266.12 and 114,265.18 is: 171,125.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,176.66 : 313,266.12 = 114,265.18 : x
  2. Step 2: Convert to fraction form
    209,176.66/313,266.12 = 114,265.18/x
  3. Step 3: Cross multiply
    209,176.66x = 313,266.12 × 114,265.18
  4. Step 4: Simplify right side
    209,176.66x = 35,795,409,589.70
  5. Step 5: Solve for x
    x = 35,795,409,589.70/209,176.66
  6. Step 6: Final answer
    x = 171,125.26

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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.