Home / 293,211.20-439,816.80-199,899.20

Finding the Fourth Proportional to 293,211.20, 439,816.80 and 199,899.20

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Solution

The fourth proportional to 293,211.20, 439,816.80 and 199,899.20 is: 299,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,211.20 : 439,816.80 = 199,899.20 : x
  2. Step 2: Convert to fraction form
    293,211.20/439,816.80 = 199,899.20/x
  3. Step 3: Cross multiply
    293,211.20x = 439,816.80 × 199,899.20
  4. Step 4: Simplify right side
    293,211.20x = 87,919,026,466.56
  5. Step 5: Solve for x
    x = 87,919,026,466.56/293,211.20
  6. Step 6: Final answer
    x = 299,848.80

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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.