Home / 395,640.91-593,488.50-158,983.21

Finding the Fourth Proportional to 395,640.91, 593,488.50 and 158,983.21

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Solution

The fourth proportional to 395,640.91, 593,488.50 and 158,983.21 is: 238,485.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,640.91 : 593,488.50 = 158,983.21 : x
  2. Step 2: Convert to fraction form
    395,640.91/593,488.50 = 158,983.21/x
  3. Step 3: Cross multiply
    395,640.91x = 593,488.50 × 158,983.21
  4. Step 4: Simplify right side
    395,640.91x = 94,354,706,828.09
  5. Step 5: Solve for x
    x = 94,354,706,828.09/395,640.91
  6. Step 6: Final answer
    x = 238,485.72

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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.