Home / 541,003.20-811,504.80-141,643.20

Finding the Fourth Proportional to 541,003.20, 811,504.80 and 141,643.20

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Solution

The fourth proportional to 541,003.20, 811,504.80 and 141,643.20 is: 212,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,003.20 : 811,504.80 = 141,643.20 : x
  2. Step 2: Convert to fraction form
    541,003.20/811,504.80 = 141,643.20/x
  3. Step 3: Cross multiply
    541,003.20x = 811,504.80 × 141,643.20
  4. Step 4: Simplify right side
    541,003.20x = 114,944,136,687.36
  5. Step 5: Solve for x
    x = 114,944,136,687.36/541,003.20
  6. Step 6: Final answer
    x = 212,464.80

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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.