Home / 168,269.90-252,397.85-68,426.25

Finding the Fourth Proportional to 168,269.90, 252,397.85 and 68,426.25

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Solution

The fourth proportional to 168,269.90, 252,397.85 and 68,426.25 is: 102,636.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,269.90 : 252,397.85 = 68,426.25 : x
  2. Step 2: Convert to fraction form
    168,269.90/252,397.85 = 68,426.25/x
  3. Step 3: Cross multiply
    168,269.90x = 252,397.85 × 68,426.25
  4. Step 4: Simplify right side
    168,269.90x = 17,270,638,041.43
  5. Step 5: Solve for x
    x = 17,270,638,041.43/168,269.90
  6. Step 6: Final answer
    x = 102,636.53

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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.