Home / 131,925.87-197,907.30-43,186.41

Finding the Fourth Proportional to 131,925.87, 197,907.30 and 43,186.41

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Solution

The fourth proportional to 131,925.87, 197,907.30 and 43,186.41 is: 64,785.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,925.87 : 197,907.30 = 43,186.41 : x
  2. Step 2: Convert to fraction form
    131,925.87/197,907.30 = 43,186.41/x
  3. Step 3: Cross multiply
    131,925.87x = 197,907.30 × 43,186.41
  4. Step 4: Simplify right side
    131,925.87x = 8,546,905,799.79
  5. Step 5: Solve for x
    x = 8,546,905,799.79/131,925.87
  6. Step 6: Final answer
    x = 64,785.67

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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.