Home / 168,575.10-252,862.65-80,001.60

Finding the Fourth Proportional to 168,575.10, 252,862.65 and 80,001.60

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Solution

The fourth proportional to 168,575.10, 252,862.65 and 80,001.60 is: 120,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,575.10 : 252,862.65 = 80,001.60 : x
  2. Step 2: Convert to fraction form
    168,575.10/252,862.65 = 80,001.60/x
  3. Step 3: Cross multiply
    168,575.10x = 252,862.65 × 80,001.60
  4. Step 4: Simplify right side
    168,575.10x = 20,229,416,580.24
  5. Step 5: Solve for x
    x = 20,229,416,580.24/168,575.10
  6. Step 6: Final answer
    x = 120,002.40

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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.