Home / 293,086.20-439,629.30-214,354.20

Finding the Fourth Proportional to 293,086.20, 439,629.30 and 214,354.20

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Solution

The fourth proportional to 293,086.20, 439,629.30 and 214,354.20 is: 321,531.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,086.20 : 439,629.30 = 214,354.20 : x
  2. Step 2: Convert to fraction form
    293,086.20/439,629.30 = 214,354.20/x
  3. Step 3: Cross multiply
    293,086.20x = 439,629.30 × 214,354.20
  4. Step 4: Simplify right side
    293,086.20x = 94,236,386,898.06
  5. Step 5: Solve for x
    x = 94,236,386,898.06/293,086.20
  6. Step 6: Final answer
    x = 321,531.30

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Similar ratio
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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.