Home / 231,674.16-347,151.28-111,601.78

Finding the Fourth Proportional to 231,674.16, 347,151.28 and 111,601.78

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Solution

The fourth proportional to 231,674.16, 347,151.28 and 111,601.78 is: 167,229.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,674.16 : 347,151.28 = 111,601.78 : x
  2. Step 2: Convert to fraction form
    231,674.16/347,151.28 = 111,601.78/x
  3. Step 3: Cross multiply
    231,674.16x = 347,151.28 × 111,601.78
  4. Step 4: Simplify right side
    231,674.16x = 38,742,700,777.28
  5. Step 5: Solve for x
    x = 38,742,700,777.28/231,674.16
  6. Step 6: Final answer
    x = 167,229.27

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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.