Home / 403,628.13-605,442.33-166,710.42

Finding the Fourth Proportional to 403,628.13, 605,442.33 and 166,710.42

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Solution

The fourth proportional to 403,628.13, 605,442.33 and 166,710.42 is: 250,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,628.13 : 605,442.33 = 166,710.42 : x
  2. Step 2: Convert to fraction form
    403,628.13/605,442.33 = 166,710.42/x
  3. Step 3: Cross multiply
    403,628.13x = 605,442.33 × 166,710.42
  4. Step 4: Simplify right side
    403,628.13x = 100,933,545,120.08
  5. Step 5: Solve for x
    x = 100,933,545,120.08/403,628.13
  6. Step 6: Final answer
    x = 250,065.69

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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.