Home / 174,650.40-261,457.20-115,552.80

Finding the Fourth Proportional to 174,650.40, 261,457.20 and 115,552.80

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Solution

The fourth proportional to 174,650.40, 261,457.20 and 115,552.80 is: 172,986.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,650.40 : 261,457.20 = 115,552.80 : x
  2. Step 2: Convert to fraction form
    174,650.40/261,457.20 = 115,552.80/x
  3. Step 3: Cross multiply
    174,650.40x = 261,457.20 × 115,552.80
  4. Step 4: Simplify right side
    174,650.40x = 30,212,111,540.16
  5. Step 5: Solve for x
    x = 30,212,111,540.16/174,650.40
  6. Step 6: Final answer
    x = 172,986.21

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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.