Home / 119,177.28-178,790.49-34,940.21

Finding the Fourth Proportional to 119,177.28, 178,790.49 and 34,940.21

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Solution

The fourth proportional to 119,177.28, 178,790.49 and 34,940.21 is: 52,417.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,177.28 : 178,790.49 = 34,940.21 : x
  2. Step 2: Convert to fraction form
    119,177.28/178,790.49 = 34,940.21/x
  3. Step 3: Cross multiply
    119,177.28x = 178,790.49 × 34,940.21
  4. Step 4: Simplify right side
    119,177.28x = 6,246,976,372.65
  5. Step 5: Solve for x
    x = 6,246,976,372.65/119,177.28
  6. Step 6: Final answer
    x = 52,417.51

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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.