Home / 324,565.32-486,889.02-111,374.76

Finding the Fourth Proportional to 324,565.32, 486,889.02 and 111,374.76

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Solution

The fourth proportional to 324,565.32, 486,889.02 and 111,374.76 is: 167,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,565.32 : 486,889.02 = 111,374.76 : x
  2. Step 2: Convert to fraction form
    324,565.32/486,889.02 = 111,374.76/x
  3. Step 3: Cross multiply
    324,565.32x = 486,889.02 × 111,374.76
  4. Step 4: Simplify right side
    324,565.32x = 54,227,147,749.14
  5. Step 5: Solve for x
    x = 54,227,147,749.14/324,565.32
  6. Step 6: Final answer
    x = 167,076.22

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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.