Home / 134,077.76-185,022.24-74,465.60

Finding the Fourth Proportional to 134,077.76, 185,022.24 and 74,465.60

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Solution

The fourth proportional to 134,077.76, 185,022.24 and 74,465.60 is: 102,759.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,077.76 : 185,022.24 = 74,465.60 : x
  2. Step 2: Convert to fraction form
    134,077.76/185,022.24 = 74,465.60/x
  3. Step 3: Cross multiply
    134,077.76x = 185,022.24 × 74,465.60
  4. Step 4: Simplify right side
    134,077.76x = 13,777,792,114.94
  5. Step 5: Solve for x
    x = 13,777,792,114.94/134,077.76
  6. Step 6: Final answer
    x = 102,759.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.