Home / 168,943.88-253,364.52-88,938.56

Finding the Fourth Proportional to 168,943.88, 253,364.52 and 88,938.56

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Solution

The fourth proportional to 168,943.88, 253,364.52 and 88,938.56 is: 133,380.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,943.88 : 253,364.52 = 88,938.56 : x
  2. Step 2: Convert to fraction form
    168,943.88/253,364.52 = 88,938.56/x
  3. Step 3: Cross multiply
    168,943.88x = 253,364.52 × 88,938.56
  4. Step 4: Simplify right side
    168,943.88x = 22,533,875,563.89
  5. Step 5: Solve for x
    x = 22,533,875,563.89/168,943.88
  6. Step 6: Final answer
    x = 133,380.83

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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.