Home / 120,091.68-180,146.70-41,205.24

Finding the Fourth Proportional to 120,091.68, 180,146.70 and 41,205.24

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Solution

The fourth proportional to 120,091.68, 180,146.70 and 41,205.24 is: 61,811.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,091.68 : 180,146.70 = 41,205.24 : x
  2. Step 2: Convert to fraction form
    120,091.68/180,146.70 = 41,205.24/x
  3. Step 3: Cross multiply
    120,091.68x = 180,146.70 × 41,205.24
  4. Step 4: Simplify right side
    120,091.68x = 7,422,988,008.71
  5. Step 5: Solve for x
    x = 7,422,988,008.71/120,091.68
  6. Step 6: Final answer
    x = 61,811.01

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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.