Home / 458,735.04-688,198.23-231,158.57

Finding the Fourth Proportional to 458,735.04, 688,198.23 and 231,158.57

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Solution

The fourth proportional to 458,735.04, 688,198.23 and 231,158.57 is: 346,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,735.04 : 688,198.23 = 231,158.57 : x
  2. Step 2: Convert to fraction form
    458,735.04/688,198.23 = 231,158.57/x
  3. Step 3: Cross multiply
    458,735.04x = 688,198.23 × 231,158.57
  4. Step 4: Simplify right side
    458,735.04x = 159,082,915,282.34
  5. Step 5: Solve for x
    x = 159,082,915,282.34/458,735.04
  6. Step 6: Final answer
    x = 346,786.06

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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.