Home / 231,374.16-347,082.30-89,173.80

Finding the Fourth Proportional to 231,374.16, 347,082.30 and 89,173.80

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Solution

The fourth proportional to 231,374.16, 347,082.30 and 89,173.80 is: 133,768.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,374.16 : 347,082.30 = 89,173.80 : x
  2. Step 2: Convert to fraction form
    231,374.16/347,082.30 = 89,173.80/x
  3. Step 3: Cross multiply
    231,374.16x = 347,082.30 × 89,173.80
  4. Step 4: Simplify right side
    231,374.16x = 30,950,647,603.74
  5. Step 5: Solve for x
    x = 30,950,647,603.74/231,374.16
  6. Step 6: Final answer
    x = 133,768.82

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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.