Home / 108,142.79-162,232.61-33,261.28

Finding the Fourth Proportional to 108,142.79, 162,232.61 and 33,261.28

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Solution

The fourth proportional to 108,142.79, 162,232.61 and 33,261.28 is: 49,897.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,142.79 : 162,232.61 = 33,261.28 : x
  2. Step 2: Convert to fraction form
    108,142.79/162,232.61 = 33,261.28/x
  3. Step 3: Cross multiply
    108,142.79x = 162,232.61 × 33,261.28
  4. Step 4: Simplify right side
    108,142.79x = 5,396,063,694.45
  5. Step 5: Solve for x
    x = 5,396,063,694.45/108,142.79
  6. Step 6: Final answer
    x = 49,897.58

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1.5x scale

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.