Home / 132,923.32-199,384.96-39,428.26

Finding the Fourth Proportional to 132,923.32, 199,384.96 and 39,428.26

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Solution

The fourth proportional to 132,923.32, 199,384.96 and 39,428.26 is: 59,142.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,923.32 : 199,384.96 = 39,428.26 : x
  2. Step 2: Convert to fraction form
    132,923.32/199,384.96 = 39,428.26/x
  3. Step 3: Cross multiply
    132,923.32x = 199,384.96 × 39,428.26
  4. Step 4: Simplify right side
    132,923.32x = 7,861,402,042.97
  5. Step 5: Solve for x
    x = 7,861,402,042.97/132,923.32
  6. Step 6: Final answer
    x = 59,142.38

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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.