Home / 141,065.12-211,620.32-41,212.64

Finding the Fourth Proportional to 141,065.12, 211,620.32 and 41,212.64

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Solution

The fourth proportional to 141,065.12, 211,620.32 and 41,212.64 is: 61,825.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,065.12 : 211,620.32 = 41,212.64 : x
  2. Step 2: Convert to fraction form
    141,065.12/211,620.32 = 41,212.64/x
  3. Step 3: Cross multiply
    141,065.12x = 211,620.32 × 41,212.64
  4. Step 4: Simplify right side
    141,065.12x = 8,721,432,064.84
  5. Step 5: Solve for x
    x = 8,721,432,064.84/141,065.12
  6. Step 6: Final answer
    x = 61,825.57

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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.