Home / 128,325.42-192,440.19-44,061.66

Finding the Fourth Proportional to 128,325.42, 192,440.19 and 44,061.66

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Solution

The fourth proportional to 128,325.42, 192,440.19 and 44,061.66 is: 66,076.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,325.42 : 192,440.19 = 44,061.66 : x
  2. Step 2: Convert to fraction form
    128,325.42/192,440.19 = 44,061.66/x
  3. Step 3: Cross multiply
    128,325.42x = 192,440.19 × 44,061.66
  4. Step 4: Simplify right side
    128,325.42x = 8,479,234,222.12
  5. Step 5: Solve for x
    x = 8,479,234,222.12/128,325.42
  6. Step 6: Final answer
    x = 66,076.03

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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.