Home / 119,422.68-178,861.70-57,137.24

Finding the Fourth Proportional to 119,422.68, 178,861.70 and 57,137.24

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Solution

The fourth proportional to 119,422.68, 178,861.70 and 57,137.24 is: 85,575.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,422.68 : 178,861.70 = 57,137.24 : x
  2. Step 2: Convert to fraction form
    119,422.68/178,861.70 = 57,137.24/x
  3. Step 3: Cross multiply
    119,422.68x = 178,861.70 × 57,137.24
  4. Step 4: Simplify right side
    119,422.68x = 10,219,663,879.71
  5. Step 5: Solve for x
    x = 10,219,663,879.71/119,422.68
  6. Step 6: Final answer
    x = 85,575.57

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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.