Home / 168,477.54-252,755.19-89,667.78

Finding the Fourth Proportional to 168,477.54, 252,755.19 and 89,667.78

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Solution

The fourth proportional to 168,477.54, 252,755.19 and 89,667.78 is: 134,522.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,477.54 : 252,755.19 = 89,667.78 : x
  2. Step 2: Convert to fraction form
    168,477.54/252,755.19 = 89,667.78/x
  3. Step 3: Cross multiply
    168,477.54x = 252,755.19 × 89,667.78
  4. Step 4: Simplify right side
    168,477.54x = 22,663,996,770.78
  5. Step 5: Solve for x
    x = 22,663,996,770.78/168,477.54
  6. Step 6: Final answer
    x = 134,522.36

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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.