Home / 166,777.08-250,090.11-71,962.53

Finding the Fourth Proportional to 166,777.08, 250,090.11 and 71,962.53

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Solution

The fourth proportional to 166,777.08, 250,090.11 and 71,962.53 is: 107,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,777.08 : 250,090.11 = 71,962.53 : x
  2. Step 2: Convert to fraction form
    166,777.08/250,090.11 = 71,962.53/x
  3. Step 3: Cross multiply
    166,777.08x = 250,090.11 × 71,962.53
  4. Step 4: Simplify right side
    166,777.08x = 17,997,117,043.58
  5. Step 5: Solve for x
    x = 17,997,117,043.58/166,777.08
  6. Step 6: Final answer
    x = 107,911.21

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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.