Home / 117,140.27-175,708.85-28,394.57

Finding the Fourth Proportional to 117,140.27, 175,708.85 and 28,394.57

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Solution

The fourth proportional to 117,140.27, 175,708.85 and 28,394.57 is: 42,591.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,140.27 : 175,708.85 = 28,394.57 : x
  2. Step 2: Convert to fraction form
    117,140.27/175,708.85 = 28,394.57/x
  3. Step 3: Cross multiply
    117,140.27x = 175,708.85 × 28,394.57
  4. Step 4: Simplify right side
    117,140.27x = 4,989,177,538.24
  5. Step 5: Solve for x
    x = 4,989,177,538.24/117,140.27
  6. Step 6: Final answer
    x = 42,591.48

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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.