Home / 115,440.20-173,165.70-36,560.60

Finding the Fourth Proportional to 115,440.20, 173,165.70 and 36,560.60

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Solution

The fourth proportional to 115,440.20, 173,165.70 and 36,560.60 is: 54,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,440.20 : 173,165.70 = 36,560.60 : x
  2. Step 2: Convert to fraction form
    115,440.20/173,165.70 = 36,560.60/x
  3. Step 3: Cross multiply
    115,440.20x = 173,165.70 × 36,560.60
  4. Step 4: Simplify right side
    115,440.20x = 6,331,041,891.42
  5. Step 5: Solve for x
    x = 6,331,041,891.42/115,440.20
  6. Step 6: Final answer
    x = 54,842.61

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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.