Home / 117,182.16-175,771.92-28,436.64

Finding the Fourth Proportional to 117,182.16, 175,771.92 and 28,436.64

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Solution

The fourth proportional to 117,182.16, 175,771.92 and 28,436.64 is: 42,654.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,182.16 : 175,771.92 = 28,436.64 : x
  2. Step 2: Convert to fraction form
    117,182.16/175,771.92 = 28,436.64/x
  3. Step 3: Cross multiply
    117,182.16x = 175,771.92 × 28,436.64
  4. Step 4: Simplify right side
    117,182.16x = 4,998,362,811.15
  5. Step 5: Solve for x
    x = 4,998,362,811.15/117,182.16
  6. Step 6: Final answer
    x = 42,654.64

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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.