Home / 174,040.63-261,135.38-72,862.32

Finding the Fourth Proportional to 174,040.63, 261,135.38 and 72,862.32

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Solution

The fourth proportional to 174,040.63, 261,135.38 and 72,862.32 is: 109,324.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,040.63 : 261,135.38 = 72,862.32 : x
  2. Step 2: Convert to fraction form
    174,040.63/261,135.38 = 72,862.32/x
  3. Step 3: Cross multiply
    174,040.63x = 261,135.38 × 72,862.32
  4. Step 4: Simplify right side
    174,040.63x = 19,026,929,620.88
  5. Step 5: Solve for x
    x = 19,026,929,620.88/174,040.63
  6. Step 6: Final answer
    x = 109,324.64

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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.