Home / 108,260.64-162,390.96-38,123.52

Finding the Fourth Proportional to 108,260.64, 162,390.96 and 38,123.52

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Solution

The fourth proportional to 108,260.64, 162,390.96 and 38,123.52 is: 57,185.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,260.64 : 162,390.96 = 38,123.52 : x
  2. Step 2: Convert to fraction form
    108,260.64/162,390.96 = 38,123.52/x
  3. Step 3: Cross multiply
    108,260.64x = 162,390.96 × 38,123.52
  4. Step 4: Simplify right side
    108,260.64x = 6,190,915,011.38
  5. Step 5: Solve for x
    x = 6,190,915,011.38/108,260.64
  6. Step 6: Final answer
    x = 57,185.28

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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.