Home / 141,155.81-211,741.94-39,945.39

Finding the Fourth Proportional to 141,155.81, 211,741.94 and 39,945.39

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Solution

The fourth proportional to 141,155.81, 211,741.94 and 39,945.39 is: 59,920.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,155.81 : 211,741.94 = 39,945.39 : x
  2. Step 2: Convert to fraction form
    141,155.81/211,741.94 = 39,945.39/x
  3. Step 3: Cross multiply
    141,155.81x = 211,741.94 × 39,945.39
  4. Step 4: Simplify right side
    141,155.81x = 8,458,114,172.93
  5. Step 5: Solve for x
    x = 8,458,114,172.93/141,155.81
  6. Step 6: Final answer
    x = 59,920.41

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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.