Home / 132,922.81-199,384.22-39,427.75

Finding the Fourth Proportional to 132,922.81, 199,384.22 and 39,427.75

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Solution

The fourth proportional to 132,922.81, 199,384.22 and 39,427.75 is: 59,141.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,922.81 : 199,384.22 = 39,427.75 : x
  2. Step 2: Convert to fraction form
    132,922.81/199,384.22 = 39,427.75/x
  3. Step 3: Cross multiply
    132,922.81x = 199,384.22 × 39,427.75
  4. Step 4: Simplify right side
    132,922.81x = 7,861,271,180.11
  5. Step 5: Solve for x
    x = 7,861,271,180.11/132,922.81
  6. Step 6: Final answer
    x = 59,141.63

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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.