Home / 541,155.72-811,502.82-186,205.80

Finding the Fourth Proportional to 541,155.72, 811,502.82 and 186,205.80

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Solution

The fourth proportional to 541,155.72, 811,502.82 and 186,205.80 is: 279,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,155.72 : 811,502.82 = 186,205.80 : x
  2. Step 2: Convert to fraction form
    541,155.72/811,502.82 = 186,205.80/x
  3. Step 3: Cross multiply
    541,155.72x = 811,502.82 × 186,205.80
  4. Step 4: Simplify right side
    541,155.72x = 151,106,531,800.36
  5. Step 5: Solve for x
    x = 151,106,531,800.36/541,155.72
  6. Step 6: Final answer
    x = 279,229.30

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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.