Home / 115,408.10-173,125.65-36,530.30

Finding the Fourth Proportional to 115,408.10, 173,125.65 and 36,530.30

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Solution

The fourth proportional to 115,408.10, 173,125.65 and 36,530.30 is: 54,799.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,408.10 : 173,125.65 = 36,530.30 : x
  2. Step 2: Convert to fraction form
    115,408.10/173,125.65 = 36,530.30/x
  3. Step 3: Cross multiply
    115,408.10x = 173,125.65 × 36,530.30
  4. Step 4: Simplify right side
    115,408.10x = 6,324,331,932.20
  5. Step 5: Solve for x
    x = 6,324,331,932.20/115,408.10
  6. Step 6: Final answer
    x = 54,799.72

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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.