Home / 386,673.64-579,826.38-158,933.68

Finding the Fourth Proportional to 386,673.64, 579,826.38 and 158,933.68

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Solution

The fourth proportional to 386,673.64, 579,826.38 and 158,933.68 is: 238,324.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,673.64 : 579,826.38 = 158,933.68 : x
  2. Step 2: Convert to fraction form
    386,673.64/579,826.38 = 158,933.68/x
  3. Step 3: Cross multiply
    386,673.64x = 579,826.38 × 158,933.68
  4. Step 4: Simplify right side
    386,673.64x = 92,153,940,334.48
  5. Step 5: Solve for x
    x = 92,153,940,334.48/386,673.64
  6. Step 6: Final answer
    x = 238,324.86

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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.