Home / 259,732.11-389,567.93-70,183.47

Finding the Fourth Proportional to 259,732.11, 389,567.93 and 70,183.47

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Solution

The fourth proportional to 259,732.11, 389,567.93 and 70,183.47 is: 105,267.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,732.11 : 389,567.93 = 70,183.47 : x
  2. Step 2: Convert to fraction form
    259,732.11/389,567.93 = 70,183.47/x
  3. Step 3: Cross multiply
    259,732.11x = 389,567.93 × 70,183.47
  4. Step 4: Simplify right side
    259,732.11x = 27,341,228,777.20
  5. Step 5: Solve for x
    x = 27,341,228,777.20/259,732.11
  6. Step 6: Final answer
    x = 105,267.03

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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.