Home / 94,328.70-141,493.05-86,163.90

Finding the Fourth Proportional to 94,328.70, 141,493.05 and 86,163.90

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Solution

The fourth proportional to 94,328.70, 141,493.05 and 86,163.90 is: 129,245.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,328.70 : 141,493.05 = 86,163.90 : x
  2. Step 2: Convert to fraction form
    94,328.70/141,493.05 = 86,163.90/x
  3. Step 3: Cross multiply
    94,328.70x = 141,493.05 × 86,163.90
  4. Step 4: Simplify right side
    94,328.70x = 12,191,593,010.90
  5. Step 5: Solve for x
    x = 12,191,593,010.90/94,328.70
  6. Step 6: Final answer
    x = 129,245.85

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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.