Home / 215,838.20-323,757.30-180,846.20

Finding the Fourth Proportional to 215,838.20, 323,757.30 and 180,846.20

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Solution

The fourth proportional to 215,838.20, 323,757.30 and 180,846.20 is: 271,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,838.20 : 323,757.30 = 180,846.20 : x
  2. Step 2: Convert to fraction form
    215,838.20/323,757.30 = 180,846.20/x
  3. Step 3: Cross multiply
    215,838.20x = 323,757.30 × 180,846.20
  4. Step 4: Simplify right side
    215,838.20x = 58,550,277,427.26
  5. Step 5: Solve for x
    x = 58,550,277,427.26/215,838.20
  6. Step 6: Final answer
    x = 271,269.30

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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.