Home / 174,100.80-261,170-74,271.56

Finding the Fourth Proportional to 174,100.80, 261,170 and 74,271.56

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Solution

The fourth proportional to 174,100.80, 261,170 and 74,271.56 is: 111,415.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,100.80 : 261,170 = 74,271.56 : x
  2. Step 2: Convert to fraction form
    174,100.80/261,170 = 74,271.56/x
  3. Step 3: Cross multiply
    174,100.80x = 261,170 × 74,271.56
  4. Step 4: Simplify right side
    174,100.80x = 19,397,503,325.20
  5. Step 5: Solve for x
    x = 19,397,503,325.20/174,100.80
  6. Step 6: Final answer
    x = 111,415.36

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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.