Home / 189,206.25-283,488.21-114,168.72

Finding the Fourth Proportional to 189,206.25, 283,488.21 and 114,168.72

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Solution

The fourth proportional to 189,206.25, 283,488.21 and 114,168.72 is: 171,059.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,206.25 : 283,488.21 = 114,168.72 : x
  2. Step 2: Convert to fraction form
    189,206.25/283,488.21 = 114,168.72/x
  3. Step 3: Cross multiply
    189,206.25x = 283,488.21 × 114,168.72
  4. Step 4: Simplify right side
    189,206.25x = 32,365,485,499.95
  5. Step 5: Solve for x
    x = 32,365,485,499.95/189,206.25
  6. Step 6: Final answer
    x = 171,059.28

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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.