Home / 268,447.72-402,720.18-110,588.44

Finding the Fourth Proportional to 268,447.72, 402,720.18 and 110,588.44

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Solution

The fourth proportional to 268,447.72, 402,720.18 and 110,588.44 is: 165,902.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,447.72 : 402,720.18 = 110,588.44 : x
  2. Step 2: Convert to fraction form
    268,447.72/402,720.18 = 110,588.44/x
  3. Step 3: Cross multiply
    268,447.72x = 402,720.18 × 110,588.44
  4. Step 4: Simplify right side
    268,447.72x = 44,536,196,462.72
  5. Step 5: Solve for x
    x = 44,536,196,462.72/268,447.72
  6. Step 6: Final answer
    x = 165,902.68

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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.