Home / 324,674.03-487,109.60-156,146.54

Finding the Fourth Proportional to 324,674.03, 487,109.60 and 156,146.54

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Solution

The fourth proportional to 324,674.03, 487,109.60 and 156,146.54 is: 234,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,674.03 : 487,109.60 = 156,146.54 : x
  2. Step 2: Convert to fraction form
    324,674.03/487,109.60 = 156,146.54/x
  3. Step 3: Cross multiply
    324,674.03x = 487,109.60 × 156,146.54
  4. Step 4: Simplify right side
    324,674.03x = 76,060,476,010.05
  5. Step 5: Solve for x
    x = 76,060,476,010.05/324,674.03
  6. Step 6: Final answer
    x = 234,267.20

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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.