Home / 209,704.21-289,395.11-114,210.83

Finding the Fourth Proportional to 209,704.21, 289,395.11 and 114,210.83

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Solution

The fourth proportional to 209,704.21, 289,395.11 and 114,210.83 is: 157,612.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,704.21 : 289,395.11 = 114,210.83 : x
  2. Step 2: Convert to fraction form
    209,704.21/289,395.11 = 114,210.83/x
  3. Step 3: Cross multiply
    209,704.21x = 289,395.11 × 114,210.83
  4. Step 4: Simplify right side
    209,704.21x = 33,052,055,711.04
  5. Step 5: Solve for x
    x = 33,052,055,711.04/209,704.21
  6. Step 6: Final answer
    x = 157,612.74

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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.