Home / 128,247.00-192,391.17-39,500.46

Finding the Fourth Proportional to 128,247.00, 192,391.17 and 39,500.46

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Solution

The fourth proportional to 128,247.00, 192,391.17 and 39,500.46 is: 59,257.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,247.00 : 192,391.17 = 39,500.46 : x
  2. Step 2: Convert to fraction form
    128,247.00/192,391.17 = 39,500.46/x
  3. Step 3: Cross multiply
    128,247.00x = 192,391.17 × 39,500.46
  4. Step 4: Simplify right side
    128,247.00x = 7,599,539,566.81
  5. Step 5: Solve for x
    x = 7,599,539,566.81/128,247.00
  6. Step 6: Final answer
    x = 59,257.06

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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.