Home / 113,530.13-156,676.43-63,229.13

Finding the Fourth Proportional to 113,530.13, 156,676.43 and 63,229.13

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Solution

The fourth proportional to 113,530.13, 156,676.43 and 63,229.13 is: 87,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,530.13 : 156,676.43 = 63,229.13 : x
  2. Step 2: Convert to fraction form
    113,530.13/156,676.43 = 63,229.13/x
  3. Step 3: Cross multiply
    113,530.13x = 156,676.43 × 63,229.13
  4. Step 4: Simplify right side
    113,530.13x = 9,906,514,360.41
  5. Step 5: Solve for x
    x = 9,906,514,360.41/113,530.13
  6. Step 6: Final answer
    x = 87,258.90

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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.