Home / 189,212.12-283,497.03-114,174.61

Finding the Fourth Proportional to 189,212.12, 283,497.03 and 114,174.61

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Solution

The fourth proportional to 189,212.12, 283,497.03 and 114,174.61 is: 171,068.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,212.12 : 283,497.03 = 114,174.61 : x
  2. Step 2: Convert to fraction form
    189,212.12/283,497.03 = 114,174.61/x
  3. Step 3: Cross multiply
    189,212.12x = 283,497.03 × 114,174.61
  4. Step 4: Simplify right side
    189,212.12x = 32,368,161,418.92
  5. Step 5: Solve for x
    x = 32,368,161,418.92/189,212.12
  6. Step 6: Final answer
    x = 171,068.12

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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.