Home / 170,932.38-256,386.18-74,879.34

Finding the Fourth Proportional to 170,932.38, 256,386.18 and 74,879.34

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Solution

The fourth proportional to 170,932.38, 256,386.18 and 74,879.34 is: 112,313.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,932.38 : 256,386.18 = 74,879.34 : x
  2. Step 2: Convert to fraction form
    170,932.38/256,386.18 = 74,879.34/x
  3. Step 3: Cross multiply
    170,932.38x = 256,386.18 × 74,879.34
  4. Step 4: Simplify right side
    170,932.38x = 19,198,027,943.52
  5. Step 5: Solve for x
    x = 19,198,027,943.52/170,932.38
  6. Step 6: Final answer
    x = 112,313.58

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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.