Home / 119,218.20-178,826.10-48,139.64

Finding the Fourth Proportional to 119,218.20, 178,826.10 and 48,139.64

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Solution

The fourth proportional to 119,218.20, 178,826.10 and 48,139.64 is: 72,208.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,218.20 : 178,826.10 = 48,139.64 : x
  2. Step 2: Convert to fraction form
    119,218.20/178,826.10 = 48,139.64/x
  3. Step 3: Cross multiply
    119,218.20x = 178,826.10 × 48,139.64
  4. Step 4: Simplify right side
    119,218.20x = 8,608,624,076.60
  5. Step 5: Solve for x
    x = 8,608,624,076.60/119,218.20
  6. Step 6: Final answer
    x = 72,208.98

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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.