Home / 118,861.50-178,226.65-48,790.02

Finding the Fourth Proportional to 118,861.50, 178,226.65 and 48,790.02

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Solution

The fourth proportional to 118,861.50, 178,226.65 and 48,790.02 is: 73,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,861.50 : 178,226.65 = 48,790.02 : x
  2. Step 2: Convert to fraction form
    118,861.50/178,226.65 = 48,790.02/x
  3. Step 3: Cross multiply
    118,861.50x = 178,226.65 × 48,790.02
  4. Step 4: Simplify right side
    118,861.50x = 8,695,682,414.81
  5. Step 5: Solve for x
    x = 8,695,682,414.81/118,861.50
  6. Step 6: Final answer
    x = 73,158.10

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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.