Home / 168,118.10-252,221.70-73,307.60

Finding the Fourth Proportional to 168,118.10, 252,221.70 and 73,307.60

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Solution

The fourth proportional to 168,118.10, 252,221.70 and 73,307.60 is: 109,980.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,118.10 : 252,221.70 = 73,307.60 : x
  2. Step 2: Convert to fraction form
    168,118.10/252,221.70 = 73,307.60/x
  3. Step 3: Cross multiply
    168,118.10x = 252,221.70 × 73,307.60
  4. Step 4: Simplify right side
    168,118.10x = 18,489,767,494.92
  5. Step 5: Solve for x
    x = 18,489,767,494.92/168,118.10
  6. Step 6: Final answer
    x = 109,980.83

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1.5x scale

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.