Home / 128,100.24-192,441.96-92,670.84

Finding the Fourth Proportional to 128,100.24, 192,441.96 and 92,670.84

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Solution

The fourth proportional to 128,100.24, 192,441.96 and 92,670.84 is: 139,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,100.24 : 192,441.96 = 92,670.84 : x
  2. Step 2: Convert to fraction form
    128,100.24/192,441.96 = 92,670.84/x
  3. Step 3: Cross multiply
    128,100.24x = 192,441.96 × 92,670.84
  4. Step 4: Simplify right side
    128,100.24x = 17,833,758,084.45
  5. Step 5: Solve for x
    x = 17,833,758,084.45/128,100.24
  6. Step 6: Final answer
    x = 139,217.21

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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.