Home / 231,664.40-347,721.30-111,805.74

Finding the Fourth Proportional to 231,664.40, 347,721.30 and 111,805.74

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Solution

The fourth proportional to 231,664.40, 347,721.30 and 111,805.74 is: 167,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,664.40 : 347,721.30 = 111,805.74 : x
  2. Step 2: Convert to fraction form
    231,664.40/347,721.30 = 111,805.74/x
  3. Step 3: Cross multiply
    231,664.40x = 347,721.30 × 111,805.74
  4. Step 4: Simplify right side
    231,664.40x = 38,877,237,260.26
  5. Step 5: Solve for x
    x = 38,877,237,260.26/231,664.40
  6. Step 6: Final answer
    x = 167,817.05

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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.