Home / 102,208.37-153,327.20-27,331.02

Finding the Fourth Proportional to 102,208.37, 153,327.20 and 27,331.02

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Solution

The fourth proportional to 102,208.37, 153,327.20 and 27,331.02 is: 41,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,208.37 : 153,327.20 = 27,331.02 : x
  2. Step 2: Convert to fraction form
    102,208.37/153,327.20 = 27,331.02/x
  3. Step 3: Cross multiply
    102,208.37x = 153,327.20 × 27,331.02
  4. Step 4: Simplify right side
    102,208.37x = 4,190,588,633.09
  5. Step 5: Solve for x
    x = 4,190,588,633.09/102,208.37
  6. Step 6: Final answer
    x = 41,000.45

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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.