Home / 117,605.28-176,757.84-55,319.52

Finding the Fourth Proportional to 117,605.28, 176,757.84 and 55,319.52

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Solution

The fourth proportional to 117,605.28, 176,757.84 and 55,319.52 is: 83,143.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,605.28 : 176,757.84 = 55,319.52 : x
  2. Step 2: Convert to fraction form
    117,605.28/176,757.84 = 55,319.52/x
  3. Step 3: Cross multiply
    117,605.28x = 176,757.84 × 55,319.52
  4. Step 4: Simplify right side
    117,605.28x = 9,778,158,865.04
  5. Step 5: Solve for x
    x = 9,778,158,865.04/117,605.28
  6. Step 6: Final answer
    x = 83,143.88

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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.