Home / 242,136.50-362,963.75-115,628.85

Finding the Fourth Proportional to 242,136.50, 362,963.75 and 115,628.85

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Solution

The fourth proportional to 242,136.50, 362,963.75 and 115,628.85 is: 173,328.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,136.50 : 362,963.75 = 115,628.85 : x
  2. Step 2: Convert to fraction form
    242,136.50/362,963.75 = 115,628.85/x
  3. Step 3: Cross multiply
    242,136.50x = 362,963.75 × 115,628.85
  4. Step 4: Simplify right side
    242,136.50x = 41,969,080,426.04
  5. Step 5: Solve for x
    x = 41,969,080,426.04/242,136.50
  6. Step 6: Final answer
    x = 173,328.19

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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.