Home / 275,939.20-412,924.65-191,302.30

Finding the Fourth Proportional to 275,939.20, 412,924.65 and 191,302.30

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Solution

The fourth proportional to 275,939.20, 412,924.65 and 191,302.30 is: 286,271.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,939.20 : 412,924.65 = 191,302.30 : x
  2. Step 2: Convert to fraction form
    275,939.20/412,924.65 = 191,302.30/x
  3. Step 3: Cross multiply
    275,939.20x = 412,924.65 × 191,302.30
  4. Step 4: Simplify right side
    275,939.20x = 78,993,435,271.70
  5. Step 5: Solve for x
    x = 78,993,435,271.70/275,939.20
  6. Step 6: Final answer
    x = 286,271.16

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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.