Home / 403,870.10-605,586.45-166,945.10

Finding the Fourth Proportional to 403,870.10, 605,586.45 and 166,945.10

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Solution

The fourth proportional to 403,870.10, 605,586.45 and 166,945.10 is: 250,327.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,870.10 : 605,586.45 = 166,945.10 : x
  2. Step 2: Convert to fraction form
    403,870.10/605,586.45 = 166,945.10/x
  3. Step 3: Cross multiply
    403,870.10x = 605,586.45 × 166,945.10
  4. Step 4: Simplify right side
    403,870.10x = 101,099,690,453.90
  5. Step 5: Solve for x
    x = 101,099,690,453.90/403,870.10
  6. Step 6: Final answer
    x = 250,327.25

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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.