Home / 119,171.10-178,756.44-30,424.58

Finding the Fourth Proportional to 119,171.10, 178,756.44 and 30,424.58

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Solution

The fourth proportional to 119,171.10, 178,756.44 and 30,424.58 is: 45,636.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,171.10 : 178,756.44 = 30,424.58 : x
  2. Step 2: Convert to fraction form
    119,171.10/178,756.44 = 30,424.58/x
  3. Step 3: Cross multiply
    119,171.10x = 178,756.44 × 30,424.58
  4. Step 4: Simplify right side
    119,171.10x = 5,438,589,609.30
  5. Step 5: Solve for x
    x = 5,438,589,609.30/119,171.10
  6. Step 6: Final answer
    x = 45,636.82

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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.