Home / 113,530.75-156,677.30-63,229.75

Finding the Fourth Proportional to 113,530.75, 156,677.30 and 63,229.75

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Solution

The fourth proportional to 113,530.75, 156,677.30 and 63,229.75 is: 87,259.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,530.75 : 156,677.30 = 63,229.75 : x
  2. Step 2: Convert to fraction form
    113,530.75/156,677.30 = 63,229.75/x
  3. Step 3: Cross multiply
    113,530.75x = 156,677.30 × 63,229.75
  4. Step 4: Simplify right side
    113,530.75x = 9,906,666,509.68
  5. Step 5: Solve for x
    x = 9,906,666,509.68/113,530.75
  6. Step 6: Final answer
    x = 87,259.76

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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.