Home / 118,701.45-178,069.77-34,462.31

Finding the Fourth Proportional to 118,701.45, 178,069.77 and 34,462.31

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Solution

The fourth proportional to 118,701.45, 178,069.77 and 34,462.31 is: 51,698.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,701.45 : 178,069.77 = 34,462.31 : x
  2. Step 2: Convert to fraction form
    118,701.45/178,069.77 = 34,462.31/x
  3. Step 3: Cross multiply
    118,701.45x = 178,069.77 × 34,462.31
  4. Step 4: Simplify right side
    118,701.45x = 6,136,694,725.02
  5. Step 5: Solve for x
    x = 6,136,694,725.02/118,701.45
  6. Step 6: Final answer
    x = 51,698.57

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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.