Home / 174,608.40-261,939.12-89,172.48

Finding the Fourth Proportional to 174,608.40, 261,939.12 and 89,172.48

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Solution

The fourth proportional to 174,608.40, 261,939.12 and 89,172.48 is: 133,772.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,608.40 : 261,939.12 = 89,172.48 : x
  2. Step 2: Convert to fraction form
    174,608.40/261,939.12 = 89,172.48/x
  3. Step 3: Cross multiply
    174,608.40x = 261,939.12 × 89,172.48
  4. Step 4: Simplify right side
    174,608.40x = 23,357,760,939.42
  5. Step 5: Solve for x
    x = 23,357,760,939.42/174,608.40
  6. Step 6: Final answer
    x = 133,772.26

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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.