Home / 178,729.38-268,130.87-52,373.73

Finding the Fourth Proportional to 178,729.38, 268,130.87 and 52,373.73

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Solution

The fourth proportional to 178,729.38, 268,130.87 and 52,373.73 is: 78,571.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,729.38 : 268,130.87 = 52,373.73 : x
  2. Step 2: Convert to fraction form
    178,729.38/268,130.87 = 52,373.73/x
  3. Step 3: Cross multiply
    178,729.38x = 268,130.87 × 52,373.73
  4. Step 4: Simplify right side
    178,729.38x = 14,043,013,790.05
  5. Step 5: Solve for x
    x = 14,043,013,790.05/178,729.38
  6. Step 6: Final answer
    x = 78,571.38

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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.