Home / 458,452.10-687,686.64-158,942.44

Finding the Fourth Proportional to 458,452.10, 687,686.64 and 158,942.44

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Solution

The fourth proportional to 458,452.10, 687,686.64 and 158,942.44 is: 238,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,452.10 : 687,686.64 = 158,942.44 : x
  2. Step 2: Convert to fraction form
    458,452.10/687,686.64 = 158,942.44/x
  3. Step 3: Cross multiply
    458,452.10x = 687,686.64 × 158,942.44
  4. Step 4: Simplify right side
    458,452.10x = 109,302,592,517.00
  5. Step 5: Solve for x
    x = 109,302,592,517.00/458,452.10
  6. Step 6: Final answer
    x = 238,416.60

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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.