Home / 324,822.56-487,112.33-111,529.91

Finding the Fourth Proportional to 324,822.56, 487,112.33 and 111,529.91

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Solution

The fourth proportional to 324,822.56, 487,112.33 and 111,529.91 is: 167,253.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,822.56 : 487,112.33 = 111,529.91 : x
  2. Step 2: Convert to fraction form
    324,822.56/487,112.33 = 111,529.91/x
  3. Step 3: Cross multiply
    324,822.56x = 487,112.33 × 111,529.91
  4. Step 4: Simplify right side
    324,822.56x = 54,327,595,821.40
  5. Step 5: Solve for x
    x = 54,327,595,821.40/324,822.56
  6. Step 6: Final answer
    x = 167,253.15

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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.