Home / 481,228.96-721,389.48-165,465.04

Finding the Fourth Proportional to 481,228.96, 721,389.48 and 165,465.04

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Solution

The fourth proportional to 481,228.96, 721,389.48 and 165,465.04 is: 248,041.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,228.96 : 721,389.48 = 165,465.04 : x
  2. Step 2: Convert to fraction form
    481,228.96/721,389.48 = 165,465.04/x
  3. Step 3: Cross multiply
    481,228.96x = 721,389.48 × 165,465.04
  4. Step 4: Simplify right side
    481,228.96x = 119,364,739,163.78
  5. Step 5: Solve for x
    x = 119,364,739,163.78/481,228.96
  6. Step 6: Final answer
    x = 248,041.47

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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.