Home / 156,771.96-235,220.28-50,172.39

Finding the Fourth Proportional to 156,771.96, 235,220.28 and 50,172.39

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Solution

The fourth proportional to 156,771.96, 235,220.28 and 50,172.39 is: 75,278.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,771.96 : 235,220.28 = 50,172.39 : x
  2. Step 2: Convert to fraction form
    156,771.96/235,220.28 = 50,172.39/x
  3. Step 3: Cross multiply
    156,771.96x = 235,220.28 × 50,172.39
  4. Step 4: Simplify right side
    156,771.96x = 11,801,563,624.07
  5. Step 5: Solve for x
    x = 11,801,563,624.07/156,771.96
  6. Step 6: Final answer
    x = 75,278.54

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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.