Home / 119,132.26-178,704.54-30,386.54

Finding the Fourth Proportional to 119,132.26, 178,704.54 and 30,386.54

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Solution

The fourth proportional to 119,132.26, 178,704.54 and 30,386.54 is: 45,581.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,132.26 : 178,704.54 = 30,386.54 : x
  2. Step 2: Convert to fraction form
    119,132.26/178,704.54 = 30,386.54/x
  3. Step 3: Cross multiply
    119,132.26x = 178,704.54 × 30,386.54
  4. Step 4: Simplify right side
    119,132.26x = 5,430,212,652.89
  5. Step 5: Solve for x
    x = 5,430,212,652.89/119,132.26
  6. Step 6: Final answer
    x = 45,581.38

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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.