Home / 439,638.03-659,446.11-124,090.38

Finding the Fourth Proportional to 439,638.03, 659,446.11 and 124,090.38

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Solution

The fourth proportional to 439,638.03, 659,446.11 and 124,090.38 is: 186,132.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,638.03 : 659,446.11 = 124,090.38 : x
  2. Step 2: Convert to fraction form
    439,638.03/659,446.11 = 124,090.38/x
  3. Step 3: Cross multiply
    439,638.03x = 659,446.11 × 124,090.38
  4. Step 4: Simplify right side
    439,638.03x = 81,830,918,379.42
  5. Step 5: Solve for x
    x = 81,830,918,379.42/439,638.03
  6. Step 6: Final answer
    x = 186,132.48

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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.