Home / 119,257.67-178,875.57-40,362.86

Finding the Fourth Proportional to 119,257.67, 178,875.57 and 40,362.86

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Solution

The fourth proportional to 119,257.67, 178,875.57 and 40,362.86 is: 60,540.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,257.67 : 178,875.57 = 40,362.86 : x
  2. Step 2: Convert to fraction form
    119,257.67/178,875.57 = 40,362.86/x
  3. Step 3: Cross multiply
    119,257.67x = 178,875.57 × 40,362.86
  4. Step 4: Simplify right side
    119,257.67x = 7,219,929,589.33
  5. Step 5: Solve for x
    x = 7,219,929,589.33/119,257.67
  6. Step 6: Final answer
    x = 60,540.59

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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.