Home / 231,858.48-347,916.90-125,240.28

Finding the Fourth Proportional to 231,858.48, 347,916.90 and 125,240.28

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Solution

The fourth proportional to 231,858.48, 347,916.90 and 125,240.28 is: 187,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,858.48 : 347,916.90 = 125,240.28 : x
  2. Step 2: Convert to fraction form
    231,858.48/347,916.90 = 125,240.28/x
  3. Step 3: Cross multiply
    231,858.48x = 347,916.90 × 125,240.28
  4. Step 4: Simplify right side
    231,858.48x = 43,573,209,972.73
  5. Step 5: Solve for x
    x = 43,573,209,972.73/231,858.48
  6. Step 6: Final answer
    x = 187,930.20

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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.