Home / 167,631.40-251,738.70-88,899.40

Finding the Fourth Proportional to 167,631.40, 251,738.70 and 88,899.40

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Solution

The fourth proportional to 167,631.40, 251,738.70 and 88,899.40 is: 133,503.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,631.40 : 251,738.70 = 88,899.40 : x
  2. Step 2: Convert to fraction form
    167,631.40/251,738.70 = 88,899.40/x
  3. Step 3: Cross multiply
    167,631.40x = 251,738.70 × 88,899.40
  4. Step 4: Simplify right side
    167,631.40x = 22,379,419,386.78
  5. Step 5: Solve for x
    x = 22,379,419,386.78/167,631.40
  6. Step 6: Final answer
    x = 133,503.74

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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.