Home / 141,984.52-212,921.42-53,189.60

Finding the Fourth Proportional to 141,984.52, 212,921.42 and 53,189.60

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Solution

The fourth proportional to 141,984.52, 212,921.42 and 53,189.60 is: 79,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,984.52 : 212,921.42 = 53,189.60 : x
  2. Step 2: Convert to fraction form
    141,984.52/212,921.42 = 53,189.60/x
  3. Step 3: Cross multiply
    141,984.52x = 212,921.42 × 53,189.60
  4. Step 4: Simplify right side
    141,984.52x = 11,325,203,830.68
  5. Step 5: Solve for x
    x = 11,325,203,830.68/141,984.52
  6. Step 6: Final answer
    x = 79,763.65

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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.