Home / 149,950.08-206,928.32-82,880.64

Finding the Fourth Proportional to 149,950.08, 206,928.32 and 82,880.64

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Solution

The fourth proportional to 149,950.08, 206,928.32 and 82,880.64 is: 114,373.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,950.08 : 206,928.32 = 82,880.64 : x
  2. Step 2: Convert to fraction form
    149,950.08/206,928.32 = 82,880.64/x
  3. Step 3: Cross multiply
    149,950.08x = 206,928.32 × 82,880.64
  4. Step 4: Simplify right side
    149,950.08x = 17,150,351,595.72
  5. Step 5: Solve for x
    x = 17,150,351,595.72/149,950.08
  6. Step 6: Final answer
    x = 114,373.74

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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.