Home / 132,880.32-199,323.36-49,728.96

Finding the Fourth Proportional to 132,880.32, 199,323.36 and 49,728.96

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Solution

The fourth proportional to 132,880.32, 199,323.36 and 49,728.96 is: 74,594.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,880.32 : 199,323.36 = 49,728.96 : x
  2. Step 2: Convert to fraction form
    132,880.32/199,323.36 = 49,728.96/x
  3. Step 3: Cross multiply
    132,880.32x = 199,323.36 × 49,728.96
  4. Step 4: Simplify right side
    132,880.32x = 9,912,143,396.51
  5. Step 5: Solve for x
    x = 9,912,143,396.51/132,880.32
  6. Step 6: Final answer
    x = 74,594.52

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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.