Home / 119,219.43-178,789.66-48,123.71

Finding the Fourth Proportional to 119,219.43, 178,789.66 and 48,123.71

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Solution

The fourth proportional to 119,219.43, 178,789.66 and 48,123.71 is: 72,169.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,219.43 : 178,789.66 = 48,123.71 : x
  2. Step 2: Convert to fraction form
    119,219.43/178,789.66 = 48,123.71/x
  3. Step 3: Cross multiply
    119,219.43x = 178,789.66 × 48,123.71
  4. Step 4: Simplify right side
    119,219.43x = 8,604,021,748.84
  5. Step 5: Solve for x
    x = 8,604,021,748.84/119,219.43
  6. Step 6: Final answer
    x = 72,169.63

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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.