Home / 166,723.34-230,078.21-91,271.84

Finding the Fourth Proportional to 166,723.34, 230,078.21 and 91,271.84

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Solution

The fourth proportional to 166,723.34, 230,078.21 and 91,271.84 is: 125,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,723.34 : 230,078.21 = 91,271.84 : x
  2. Step 2: Convert to fraction form
    166,723.34/230,078.21 = 91,271.84/x
  3. Step 3: Cross multiply
    166,723.34x = 230,078.21 × 91,271.84
  4. Step 4: Simplify right side
    166,723.34x = 20,999,659,963.86
  5. Step 5: Solve for x
    x = 20,999,659,963.86/166,723.34
  6. Step 6: Final answer
    x = 125,955.13

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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.