Home / 166,723.32-230,078.19-91,271.82

Finding the Fourth Proportional to 166,723.32, 230,078.19 and 91,271.82

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Solution

The fourth proportional to 166,723.32, 230,078.19 and 91,271.82 is: 125,955.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,723.32 : 230,078.19 = 91,271.82 : x
  2. Step 2: Convert to fraction form
    166,723.32/230,078.19 = 91,271.82/x
  3. Step 3: Cross multiply
    166,723.32x = 230,078.19 × 91,271.82
  4. Step 4: Simplify right side
    166,723.32x = 20,999,655,143.61
  5. Step 5: Solve for x
    x = 20,999,655,143.61/166,723.32
  6. Step 6: Final answer
    x = 125,955.12

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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.