Home / 166,725.59-230,081.31-91,274.09

Finding the Fourth Proportional to 166,725.59, 230,081.31 and 91,274.09

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Solution

The fourth proportional to 166,725.59, 230,081.31 and 91,274.09 is: 125,958.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,725.59 : 230,081.31 = 91,274.09 : x
  2. Step 2: Convert to fraction form
    166,725.59/230,081.31 = 91,274.09/x
  3. Step 3: Cross multiply
    166,725.59x = 230,081.31 × 91,274.09
  4. Step 4: Simplify right side
    166,725.59x = 21,000,461,045.85
  5. Step 5: Solve for x
    x = 21,000,461,045.85/166,725.59
  6. Step 6: Final answer
    x = 125,958.24

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1.5x scale

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.