Home / 209,797.05-289,523.25-114,303.72

Finding the Fourth Proportional to 209,797.05, 289,523.25 and 114,303.72

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Solution

The fourth proportional to 209,797.05, 289,523.25 and 114,303.72 is: 157,740.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,797.05 : 289,523.25 = 114,303.72 : x
  2. Step 2: Convert to fraction form
    209,797.05/289,523.25 = 114,303.72/x
  3. Step 3: Cross multiply
    209,797.05x = 289,523.25 × 114,303.72
  4. Step 4: Simplify right side
    209,797.05x = 33,093,584,501.49
  5. Step 5: Solve for x
    x = 33,093,584,501.49/209,797.05
  6. Step 6: Final answer
    x = 157,740.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.