Home / 189,326.12-283,940.56-56,174.86

Finding the Fourth Proportional to 189,326.12, 283,940.56 and 56,174.86

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Solution

The fourth proportional to 189,326.12, 283,940.56 and 56,174.86 is: 84,247.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,326.12 : 283,940.56 = 56,174.86 : x
  2. Step 2: Convert to fraction form
    189,326.12/283,940.56 = 56,174.86/x
  3. Step 3: Cross multiply
    189,326.12x = 283,940.56 × 56,174.86
  4. Step 4: Simplify right side
    189,326.12x = 15,950,321,206.32
  5. Step 5: Solve for x
    x = 15,950,321,206.32/189,326.12
  6. Step 6: Final answer
    x = 84,247.86

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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.