Home / 189,932.94-262,188.16-118,348.34

Finding the Fourth Proportional to 189,932.94, 262,188.16 and 118,348.34

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Solution

The fourth proportional to 189,932.94, 262,188.16 and 118,348.34 is: 163,370.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,932.94 : 262,188.16 = 118,348.34 : x
  2. Step 2: Convert to fraction form
    189,932.94/262,188.16 = 118,348.34/x
  3. Step 3: Cross multiply
    189,932.94x = 262,188.16 × 118,348.34
  4. Step 4: Simplify right side
    189,932.94x = 31,029,531,896.84
  5. Step 5: Solve for x
    x = 31,029,531,896.84/189,932.94
  6. Step 6: Final answer
    x = 163,370.99

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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.