Home / 166,725.95-230,081.81-91,274.45

Finding the Fourth Proportional to 166,725.95, 230,081.81 and 91,274.45

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Solution

The fourth proportional to 166,725.95, 230,081.81 and 91,274.45 is: 125,958.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,725.95 : 230,081.81 = 91,274.45 : x
  2. Step 2: Convert to fraction form
    166,725.95/230,081.81 = 91,274.45/x
  3. Step 3: Cross multiply
    166,725.95x = 230,081.81 × 91,274.45
  4. Step 4: Simplify right side
    166,725.95x = 21,000,589,055.97
  5. Step 5: Solve for x
    x = 21,000,589,055.97/166,725.95
  6. Step 6: Final answer
    x = 125,958.73

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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.