Home / 150,666.48-207,905.54-90,236.03

Finding the Fourth Proportional to 150,666.48, 207,905.54 and 90,236.03

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Solution

The fourth proportional to 150,666.48, 207,905.54 and 90,236.03 is: 124,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,666.48 : 207,905.54 = 90,236.03 : x
  2. Step 2: Convert to fraction form
    150,666.48/207,905.54 = 90,236.03/x
  3. Step 3: Cross multiply
    150,666.48x = 207,905.54 × 90,236.03
  4. Step 4: Simplify right side
    150,666.48x = 18,760,569,053.90
  5. Step 5: Solve for x
    x = 18,760,569,053.90/150,666.48
  6. Step 6: Final answer
    x = 124,517.21

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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.