Home / 174,770.40-261,637.20-115,672.80

Finding the Fourth Proportional to 174,770.40, 261,637.20 and 115,672.80

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Solution

The fourth proportional to 174,770.40, 261,637.20 and 115,672.80 is: 173,166.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,770.40 : 261,637.20 = 115,672.80 : x
  2. Step 2: Convert to fraction form
    174,770.40/261,637.20 = 115,672.80/x
  3. Step 3: Cross multiply
    174,770.40x = 261,637.20 × 115,672.80
  4. Step 4: Simplify right side
    174,770.40x = 30,264,307,508.16
  5. Step 5: Solve for x
    x = 30,264,307,508.16/174,770.40
  6. Step 6: Final answer
    x = 173,166.09

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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.