Home / 268,823.04-403,174.42-79,242.96

Finding the Fourth Proportional to 268,823.04, 403,174.42 and 79,242.96

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Solution

The fourth proportional to 268,823.04, 403,174.42 and 79,242.96 is: 118,846.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,823.04 : 403,174.42 = 79,242.96 : x
  2. Step 2: Convert to fraction form
    268,823.04/403,174.42 = 79,242.96/x
  3. Step 3: Cross multiply
    268,823.04x = 403,174.42 × 79,242.96
  4. Step 4: Simplify right side
    268,823.04x = 31,948,734,437.08
  5. Step 5: Solve for x
    x = 31,948,734,437.08/268,823.04
  6. Step 6: Final answer
    x = 118,846.71

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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.