Home / 141,102.24-211,376.43-81,813.30

Finding the Fourth Proportional to 141,102.24, 211,376.43 and 81,813.30

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Solution

The fourth proportional to 141,102.24, 211,376.43 and 81,813.30 is: 122,559.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,102.24 : 211,376.43 = 81,813.30 : x
  2. Step 2: Convert to fraction form
    141,102.24/211,376.43 = 81,813.30/x
  3. Step 3: Cross multiply
    141,102.24x = 211,376.43 × 81,813.30
  4. Step 4: Simplify right side
    141,102.24x = 17,293,403,280.52
  5. Step 5: Solve for x
    x = 17,293,403,280.52/141,102.24
  6. Step 6: Final answer
    x = 122,559.38

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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.