Home / 166,982.84-230,445.72-99,040.04

Finding the Fourth Proportional to 166,982.84, 230,445.72 and 99,040.04

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Solution

The fourth proportional to 166,982.84, 230,445.72 and 99,040.04 is: 136,680.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,982.84 : 230,445.72 = 99,040.04 : x
  2. Step 2: Convert to fraction form
    166,982.84/230,445.72 = 99,040.04/x
  3. Step 3: Cross multiply
    166,982.84x = 230,445.72 × 99,040.04
  4. Step 4: Simplify right side
    166,982.84x = 22,823,353,326.63
  5. Step 5: Solve for x
    x = 22,823,353,326.63/166,982.84
  6. Step 6: Final answer
    x = 136,680.83

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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.