Home / 174,821.20-262,361.40-115,637.20

Finding the Fourth Proportional to 174,821.20, 262,361.40 and 115,637.20

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Solution

The fourth proportional to 174,821.20, 262,361.40 and 115,637.20 is: 173,541.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,821.20 : 262,361.40 = 115,637.20 : x
  2. Step 2: Convert to fraction form
    174,821.20/262,361.40 = 115,637.20/x
  3. Step 3: Cross multiply
    174,821.20x = 262,361.40 × 115,637.20
  4. Step 4: Simplify right side
    174,821.20x = 30,338,737,684.08
  5. Step 5: Solve for x
    x = 30,338,737,684.08/174,821.20
  6. Step 6: Final answer
    x = 173,541.53

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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.