Home / 134,691.54-202,037.31-74,756.81

Finding the Fourth Proportional to 134,691.54, 202,037.31 and 74,756.81

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Solution

The fourth proportional to 134,691.54, 202,037.31 and 74,756.81 is: 112,135.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,691.54 : 202,037.31 = 74,756.81 : x
  2. Step 2: Convert to fraction form
    134,691.54/202,037.31 = 74,756.81/x
  3. Step 3: Cross multiply
    134,691.54x = 202,037.31 × 74,756.81
  4. Step 4: Simplify right side
    134,691.54x = 15,103,663,786.39
  5. Step 5: Solve for x
    x = 15,103,663,786.39/134,691.54
  6. Step 6: Final answer
    x = 112,135.21

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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.