Home / 258,834.24-388,174.71-116,597.28

Finding the Fourth Proportional to 258,834.24, 388,174.71 and 116,597.28

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Solution

The fourth proportional to 258,834.24, 388,174.71 and 116,597.28 is: 174,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,834.24 : 388,174.71 = 116,597.28 : x
  2. Step 2: Convert to fraction form
    258,834.24/388,174.71 = 116,597.28/x
  3. Step 3: Cross multiply
    258,834.24x = 388,174.71 × 116,597.28
  4. Step 4: Simplify right side
    258,834.24x = 45,260,115,350.79
  5. Step 5: Solve for x
    x = 45,260,115,350.79/258,834.24
  6. Step 6: Final answer
    x = 174,861.39

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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.