Home / 108,816.57-150,127.97-68,532.84

Finding the Fourth Proportional to 108,816.57, 150,127.97 and 68,532.84

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Solution

The fourth proportional to 108,816.57, 150,127.97 and 68,532.84 is: 94,550.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,816.57 : 150,127.97 = 68,532.84 : x
  2. Step 2: Convert to fraction form
    108,816.57/150,127.97 = 68,532.84/x
  3. Step 3: Cross multiply
    108,816.57x = 150,127.97 × 68,532.84
  4. Step 4: Simplify right side
    108,816.57x = 10,288,695,804.87
  5. Step 5: Solve for x
    x = 10,288,695,804.87/108,816.57
  6. Step 6: Final answer
    x = 94,550.82

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1.5x scale

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.