Home / 481,475.20-721,770.52-165,857.08

Finding the Fourth Proportional to 481,475.20, 721,770.52 and 165,857.08

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Solution

The fourth proportional to 481,475.20, 721,770.52 and 165,857.08 is: 248,633.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,475.20 : 721,770.52 = 165,857.08 : x
  2. Step 2: Convert to fraction form
    481,475.20/721,770.52 = 165,857.08/x
  3. Step 3: Cross multiply
    481,475.20x = 721,770.52 × 165,857.08
  4. Step 4: Simplify right side
    481,475.20x = 119,710,750,877.28
  5. Step 5: Solve for x
    x = 119,710,750,877.28/481,475.20
  6. Step 6: Final answer
    x = 248,633.26

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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.