Home / 117,261.96-175,891.32-28,515.18

Finding the Fourth Proportional to 117,261.96, 175,891.32 and 28,515.18

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Solution

The fourth proportional to 117,261.96, 175,891.32 and 28,515.18 is: 42,772.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,261.96 : 175,891.32 = 28,515.18 : x
  2. Step 2: Convert to fraction form
    117,261.96/175,891.32 = 28,515.18/x
  3. Step 3: Cross multiply
    117,261.96x = 175,891.32 × 28,515.18
  4. Step 4: Simplify right side
    117,261.96x = 5,015,572,650.24
  5. Step 5: Solve for x
    x = 5,015,572,650.24/117,261.96
  6. Step 6: Final answer
    x = 42,772.38

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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.