Home / 266,961.21-368,447.77-152,240.03

Finding the Fourth Proportional to 266,961.21, 368,447.77 and 152,240.03

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Solution

The fourth proportional to 266,961.21, 368,447.77 and 152,240.03 is: 210,114.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,961.21 : 368,447.77 = 152,240.03 : x
  2. Step 2: Convert to fraction form
    266,961.21/368,447.77 = 152,240.03/x
  3. Step 3: Cross multiply
    266,961.21x = 368,447.77 × 152,240.03
  4. Step 4: Simplify right side
    266,961.21x = 56,092,499,558.23
  5. Step 5: Solve for x
    x = 56,092,499,558.23/266,961.21
  6. Step 6: Final answer
    x = 210,114.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.