Home / 412,152.20-618,257.10-162,801.80

Finding the Fourth Proportional to 412,152.20, 618,257.10 and 162,801.80

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Solution

The fourth proportional to 412,152.20, 618,257.10 and 162,801.80 is: 244,214.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,152.20 : 618,257.10 = 162,801.80 : x
  2. Step 2: Convert to fraction form
    412,152.20/618,257.10 = 162,801.80/x
  3. Step 3: Cross multiply
    412,152.20x = 618,257.10 × 162,801.80
  4. Step 4: Simplify right side
    412,152.20x = 100,653,368,742.78
  5. Step 5: Solve for x
    x = 100,653,368,742.78/412,152.20
  6. Step 6: Final answer
    x = 244,214.08

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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.