Home / 120,571.11-180,886.68-36,329.40

Finding the Fourth Proportional to 120,571.11, 180,886.68 and 36,329.40

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Solution

The fourth proportional to 120,571.11, 180,886.68 and 36,329.40 is: 54,503.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,571.11 : 180,886.68 = 36,329.40 : x
  2. Step 2: Convert to fraction form
    120,571.11/180,886.68 = 36,329.40/x
  3. Step 3: Cross multiply
    120,571.11x = 180,886.68 × 36,329.40
  4. Step 4: Simplify right side
    120,571.11x = 6,571,504,552.39
  5. Step 5: Solve for x
    x = 6,571,504,552.39/120,571.11
  6. Step 6: Final answer
    x = 54,503.14

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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.