Home / 445,439.10-668,067.93-164,889.66

Finding the Fourth Proportional to 445,439.10, 668,067.93 and 164,889.66

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Solution

The fourth proportional to 445,439.10, 668,067.93 and 164,889.66 is: 247,300.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,439.10 : 668,067.93 = 164,889.66 : x
  2. Step 2: Convert to fraction form
    445,439.10/668,067.93 = 164,889.66/x
  3. Step 3: Cross multiply
    445,439.10x = 668,067.93 × 164,889.66
  4. Step 4: Simplify right side
    445,439.10x = 110,157,493,834.60
  5. Step 5: Solve for x
    x = 110,157,493,834.60/445,439.10
  6. Step 6: Final answer
    x = 247,300.91

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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.