Home / 119,277.90-178,916.74-30,531.27

Finding the Fourth Proportional to 119,277.90, 178,916.74 and 30,531.27

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Solution

The fourth proportional to 119,277.90, 178,916.74 and 30,531.27 is: 45,796.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,277.90 : 178,916.74 = 30,531.27 : x
  2. Step 2: Convert to fraction form
    119,277.90/178,916.74 = 30,531.27/x
  3. Step 3: Cross multiply
    119,277.90x = 178,916.74 × 30,531.27
  4. Step 4: Simplify right side
    119,277.90x = 5,462,554,249.22
  5. Step 5: Solve for x
    x = 5,462,554,249.22/119,277.90
  6. Step 6: Final answer
    x = 45,796.87

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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.