Home / 104,056.35-156,166.53-53,453.31

Finding the Fourth Proportional to 104,056.35, 156,166.53 and 53,453.31

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Solution

The fourth proportional to 104,056.35, 156,166.53 and 53,453.31 is: 80,222.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,056.35 : 156,166.53 = 53,453.31 : x
  2. Step 2: Convert to fraction form
    104,056.35/156,166.53 = 53,453.31/x
  3. Step 3: Cross multiply
    104,056.35x = 156,166.53 × 53,453.31
  4. Step 4: Simplify right side
    104,056.35x = 8,347,617,158.88
  5. Step 5: Solve for x
    x = 8,347,617,158.88/104,056.35
  6. Step 6: Final answer
    x = 80,222.09

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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.