Home / 177,078.20-265,790.10-88,431.80

Finding the Fourth Proportional to 177,078.20, 265,790.10 and 88,431.80

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Solution

The fourth proportional to 177,078.20, 265,790.10 and 88,431.80 is: 132,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,078.20 : 265,790.10 = 88,431.80 : x
  2. Step 2: Convert to fraction form
    177,078.20/265,790.10 = 88,431.80/x
  3. Step 3: Cross multiply
    177,078.20x = 265,790.10 × 88,431.80
  4. Step 4: Simplify right side
    177,078.20x = 23,504,296,965.18
  5. Step 5: Solve for x
    x = 23,504,296,965.18/177,078.20
  6. Step 6: Final answer
    x = 132,734.00

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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.