Home / 207,622.41-286,436.91-131,112.96

Finding the Fourth Proportional to 207,622.41, 286,436.91 and 131,112.96

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Solution

The fourth proportional to 207,622.41, 286,436.91 and 131,112.96 is: 180,884.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,622.41 : 286,436.91 = 131,112.96 : x
  2. Step 2: Convert to fraction form
    207,622.41/286,436.91 = 131,112.96/x
  3. Step 3: Cross multiply
    207,622.41x = 286,436.91 × 131,112.96
  4. Step 4: Simplify right side
    207,622.41x = 37,555,591,123.35
  5. Step 5: Solve for x
    x = 37,555,591,123.35/207,622.41
  6. Step 6: Final answer
    x = 180,884.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.