Home / 166,490.64-229,757.07-91,039.14

Finding the Fourth Proportional to 166,490.64, 229,757.07 and 91,039.14

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Solution

The fourth proportional to 166,490.64, 229,757.07 and 91,039.14 is: 125,634.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,490.64 : 229,757.07 = 91,039.14 : x
  2. Step 2: Convert to fraction form
    166,490.64/229,757.07 = 91,039.14/x
  3. Step 3: Cross multiply
    166,490.64x = 229,757.07 × 91,039.14
  4. Step 4: Simplify right side
    166,490.64x = 20,916,886,061.72
  5. Step 5: Solve for x
    x = 20,916,886,061.72/166,490.64
  6. Step 6: Final answer
    x = 125,634.01

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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.