Home / 108,964.86-150,372.94-65,943.84

Finding the Fourth Proportional to 108,964.86, 150,372.94 and 65,943.84

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Solution

The fourth proportional to 108,964.86, 150,372.94 and 65,943.84 is: 91,003.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,964.86 : 150,372.94 = 65,943.84 : x
  2. Step 2: Convert to fraction form
    108,964.86/150,372.94 = 65,943.84/x
  3. Step 3: Cross multiply
    108,964.86x = 150,372.94 × 65,943.84
  4. Step 4: Simplify right side
    108,964.86x = 9,916,168,772.53
  5. Step 5: Solve for x
    x = 9,916,168,772.53/108,964.86
  6. Step 6: Final answer
    x = 91,003.36

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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.