Home / 120,188.12-180,286.68-35,949.38

Finding the Fourth Proportional to 120,188.12, 180,286.68 and 35,949.38

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Solution

The fourth proportional to 120,188.12, 180,286.68 and 35,949.38 is: 53,925.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,188.12 : 180,286.68 = 35,949.38 : x
  2. Step 2: Convert to fraction form
    120,188.12/180,286.68 = 35,949.38/x
  3. Step 3: Cross multiply
    120,188.12x = 180,286.68 × 35,949.38
  4. Step 4: Simplify right side
    120,188.12x = 6,481,194,368.26
  5. Step 5: Solve for x
    x = 6,481,194,368.26/120,188.12
  6. Step 6: Final answer
    x = 53,925.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.