Home / 115,558.20-173,045.70-92,230.20

Finding the Fourth Proportional to 115,558.20, 173,045.70 and 92,230.20

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Solution

The fourth proportional to 115,558.20, 173,045.70 and 92,230.20 is: 138,112.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,558.20 : 173,045.70 = 92,230.20 : x
  2. Step 2: Convert to fraction form
    115,558.20/173,045.70 = 92,230.20/x
  3. Step 3: Cross multiply
    115,558.20x = 173,045.70 × 92,230.20
  4. Step 4: Simplify right side
    115,558.20x = 15,960,039,520.14
  5. Step 5: Solve for x
    x = 15,960,039,520.14/115,558.20
  6. Step 6: Final answer
    x = 138,112.57

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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.