Home / 117,474.18-176,209.73-28,728.46

Finding the Fourth Proportional to 117,474.18, 176,209.73 and 28,728.46

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Solution

The fourth proportional to 117,474.18, 176,209.73 and 28,728.46 is: 43,092.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,474.18 : 176,209.73 = 28,728.46 : x
  2. Step 2: Convert to fraction form
    117,474.18/176,209.73 = 28,728.46/x
  3. Step 3: Cross multiply
    117,474.18x = 176,209.73 × 28,728.46
  4. Step 4: Simplify right side
    117,474.18x = 5,062,233,298.87
  5. Step 5: Solve for x
    x = 5,062,233,298.87/117,474.18
  6. Step 6: Final answer
    x = 43,092.31

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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.