Home / 135,520.99-187,016.49-75,091.41

Finding the Fourth Proportional to 135,520.99, 187,016.49 and 75,091.41

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Solution

The fourth proportional to 135,520.99, 187,016.49 and 75,091.41 is: 103,624.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,520.99 : 187,016.49 = 75,091.41 : x
  2. Step 2: Convert to fraction form
    135,520.99/187,016.49 = 75,091.41/x
  3. Step 3: Cross multiply
    135,520.99x = 187,016.49 × 75,091.41
  4. Step 4: Simplify right side
    135,520.99x = 14,043,331,927.35
  5. Step 5: Solve for x
    x = 14,043,331,927.35/135,520.99
  6. Step 6: Final answer
    x = 103,624.77

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1.5x scale

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.