Home / 166,381.76-229,653.87-98,422.36

Finding the Fourth Proportional to 166,381.76, 229,653.87 and 98,422.36

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Solution

The fourth proportional to 166,381.76, 229,653.87 and 98,422.36 is: 135,850.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,381.76 : 229,653.87 = 98,422.36 : x
  2. Step 2: Convert to fraction form
    166,381.76/229,653.87 = 98,422.36/x
  3. Step 3: Cross multiply
    166,381.76x = 229,653.87 × 98,422.36
  4. Step 4: Simplify right side
    166,381.76x = 22,603,076,493.93
  5. Step 5: Solve for x
    x = 22,603,076,493.93/166,381.76
  6. Step 6: Final answer
    x = 135,850.69

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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.