Home / 481,116.49-721,835.08-161,300.00

Finding the Fourth Proportional to 481,116.49, 721,835.08 and 161,300.00

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Solution

The fourth proportional to 481,116.49, 721,835.08 and 161,300.00 is: 242,003.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,116.49 : 721,835.08 = 161,300.00 : x
  2. Step 2: Convert to fraction form
    481,116.49/721,835.08 = 161,300.00/x
  3. Step 3: Cross multiply
    481,116.49x = 721,835.08 × 161,300.00
  4. Step 4: Simplify right side
    481,116.49x = 116,431,999,805.34
  5. Step 5: Solve for x
    x = 116,431,999,805.34/481,116.49
  6. Step 6: Final answer
    x = 242,003.76

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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.