Home / 231,546.48-347,120.06-89,491.41

Finding the Fourth Proportional to 231,546.48, 347,120.06 and 89,491.41

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Solution

The fourth proportional to 231,546.48, 347,120.06 and 89,491.41 is: 134,159.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,546.48 : 347,120.06 = 89,491.41 : x
  2. Step 2: Convert to fraction form
    231,546.48/347,120.06 = 89,491.41/x
  3. Step 3: Cross multiply
    231,546.48x = 347,120.06 × 89,491.41
  4. Step 4: Simplify right side
    231,546.48x = 31,064,263,161.23
  5. Step 5: Solve for x
    x = 31,064,263,161.23/231,546.48
  6. Step 6: Final answer
    x = 134,159.95

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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.