Home / 120,548.14-166,492.60-82,241.92

Finding the Fourth Proportional to 120,548.14, 166,492.60 and 82,241.92

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Solution

The fourth proportional to 120,548.14, 166,492.60 and 82,241.92 is: 113,586.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,548.14 : 166,492.60 = 82,241.92 : x
  2. Step 2: Convert to fraction form
    120,548.14/166,492.60 = 82,241.92/x
  3. Step 3: Cross multiply
    120,548.14x = 166,492.60 × 82,241.92
  4. Step 4: Simplify right side
    120,548.14x = 13,692,671,089.79
  5. Step 5: Solve for x
    x = 13,692,671,089.79/120,548.14
  6. Step 6: Final answer
    x = 113,586.75

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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.