Home / 282,819.88-423,656.94-130,801

Finding the Fourth Proportional to 282,819.88, 423,656.94 and 130,801

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Solution

The fourth proportional to 282,819.88, 423,656.94 and 130,801 is: 195,936.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,819.88 : 423,656.94 = 130,801 : x
  2. Step 2: Convert to fraction form
    282,819.88/423,656.94 = 130,801/x
  3. Step 3: Cross multiply
    282,819.88x = 423,656.94 × 130,801
  4. Step 4: Simplify right side
    282,819.88x = 55,414,751,408.94
  5. Step 5: Solve for x
    x = 55,414,751,408.94/282,819.88
  6. Step 6: Final answer
    x = 195,936.55

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1.5x scale

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.