Home / 171,986.64-258,053.88-88,938.96

Finding the Fourth Proportional to 171,986.64, 258,053.88 and 88,938.96

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Solution

The fourth proportional to 171,986.64, 258,053.88 and 88,938.96 is: 133,446.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,986.64 : 258,053.88 = 88,938.96 : x
  2. Step 2: Convert to fraction form
    171,986.64/258,053.88 = 88,938.96/x
  3. Step 3: Cross multiply
    171,986.64x = 258,053.88 × 88,938.96
  4. Step 4: Simplify right side
    171,986.64x = 22,951,043,711.16
  5. Step 5: Solve for x
    x = 22,951,043,711.16/171,986.64
  6. Step 6: Final answer
    x = 133,446.67

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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.