Home / 309,826.20-464,739.30-236,098.20

Finding the Fourth Proportional to 309,826.20, 464,739.30 and 236,098.20

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Solution

The fourth proportional to 309,826.20, 464,739.30 and 236,098.20 is: 354,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,826.20 : 464,739.30 = 236,098.20 : x
  2. Step 2: Convert to fraction form
    309,826.20/464,739.30 = 236,098.20/x
  3. Step 3: Cross multiply
    309,826.20x = 464,739.30 × 236,098.20
  4. Step 4: Simplify right side
    309,826.20x = 109,724,112,199.26
  5. Step 5: Solve for x
    x = 109,724,112,199.26/309,826.20
  6. Step 6: Final answer
    x = 354,147.30

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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.