Home / 231,403.64-347,106.33-81,562.14

Finding the Fourth Proportional to 231,403.64, 347,106.33 and 81,562.14

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Solution

The fourth proportional to 231,403.64, 347,106.33 and 81,562.14 is: 122,343.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,403.64 : 347,106.33 = 81,562.14 : x
  2. Step 2: Convert to fraction form
    231,403.64/347,106.33 = 81,562.14/x
  3. Step 3: Cross multiply
    231,403.64x = 347,106.33 × 81,562.14
  4. Step 4: Simplify right side
    231,403.64x = 28,310,735,082.35
  5. Step 5: Solve for x
    x = 28,310,735,082.35/231,403.64
  6. Step 6: Final answer
    x = 122,343.52

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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.