Home / 231,565.20-347,315.40-73,809.60

Finding the Fourth Proportional to 231,565.20, 347,315.40 and 73,809.60

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Solution

The fourth proportional to 231,565.20, 347,315.40 and 73,809.60 is: 110,704.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,565.20 : 347,315.40 = 73,809.60 : x
  2. Step 2: Convert to fraction form
    231,565.20/347,315.40 = 73,809.60/x
  3. Step 3: Cross multiply
    231,565.20x = 347,315.40 × 73,809.60
  4. Step 4: Simplify right side
    231,565.20x = 25,635,210,747.84
  5. Step 5: Solve for x
    x = 25,635,210,747.84/231,565.20
  6. Step 6: Final answer
    x = 110,704.07

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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.