Home / 147,220.72-203,136.60-93,514.48

Finding the Fourth Proportional to 147,220.72, 203,136.60 and 93,514.48

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Solution

The fourth proportional to 147,220.72, 203,136.60 and 93,514.48 is: 129,032.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,220.72 : 203,136.60 = 93,514.48 : x
  2. Step 2: Convert to fraction form
    147,220.72/203,136.60 = 93,514.48/x
  3. Step 3: Cross multiply
    147,220.72x = 203,136.60 × 93,514.48
  4. Step 4: Simplify right side
    147,220.72x = 18,996,213,517.97
  5. Step 5: Solve for x
    x = 18,996,213,517.97/147,220.72
  6. Step 6: Final answer
    x = 129,032.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.