Home / 168,749.90-252,999.50-102,174.11

Finding the Fourth Proportional to 168,749.90, 252,999.50 and 102,174.11

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Solution

The fourth proportional to 168,749.90, 252,999.50 and 102,174.11 is: 153,185.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,749.90 : 252,999.50 = 102,174.11 : x
  2. Step 2: Convert to fraction form
    168,749.90/252,999.50 = 102,174.11/x
  3. Step 3: Cross multiply
    168,749.90x = 252,999.50 × 102,174.11
  4. Step 4: Simplify right side
    168,749.90x = 25,849,996,967.08
  5. Step 5: Solve for x
    x = 25,849,996,967.08/168,749.90
  6. Step 6: Final answer
    x = 153,185.26

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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.