Home / 108,146.32-162,291.80-38,025.36

Finding the Fourth Proportional to 108,146.32, 162,291.80 and 38,025.36

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Solution

The fourth proportional to 108,146.32, 162,291.80 and 38,025.36 is: 57,063.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,146.32 : 162,291.80 = 38,025.36 : x
  2. Step 2: Convert to fraction form
    108,146.32/162,291.80 = 38,025.36/x
  3. Step 3: Cross multiply
    108,146.32x = 162,291.80 × 38,025.36
  4. Step 4: Simplify right side
    108,146.32x = 6,171,204,120.05
  5. Step 5: Solve for x
    x = 6,171,204,120.05/108,146.32
  6. Step 6: Final answer
    x = 57,063.47

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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.