Home / 120,344.96-165,922.08-82,553.60

Finding the Fourth Proportional to 120,344.96, 165,922.08 and 82,553.60

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Solution

The fourth proportional to 120,344.96, 165,922.08 and 82,553.60 is: 113,818.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,344.96 : 165,922.08 = 82,553.60 : x
  2. Step 2: Convert to fraction form
    120,344.96/165,922.08 = 82,553.60/x
  3. Step 3: Cross multiply
    120,344.96x = 165,922.08 × 82,553.60
  4. Step 4: Simplify right side
    120,344.96x = 13,697,465,023.49
  5. Step 5: Solve for x
    x = 13,697,465,023.49/120,344.96
  6. Step 6: Final answer
    x = 113,818.35

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1.5x scale

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.