Home / 141,891.36-212,837.04-36,720.96

Finding the Fourth Proportional to 141,891.36, 212,837.04 and 36,720.96

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Solution

The fourth proportional to 141,891.36, 212,837.04 and 36,720.96 is: 55,081.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,891.36 : 212,837.04 = 36,720.96 : x
  2. Step 2: Convert to fraction form
    141,891.36/212,837.04 = 36,720.96/x
  3. Step 3: Cross multiply
    141,891.36x = 212,837.04 × 36,720.96
  4. Step 4: Simplify right side
    141,891.36x = 7,815,580,432.36
  5. Step 5: Solve for x
    x = 7,815,580,432.36/141,891.36
  6. Step 6: Final answer
    x = 55,081.44

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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.