Home / 134,846.11-186,099.56-74,429.83

Finding the Fourth Proportional to 134,846.11, 186,099.56 and 74,429.83

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Solution

The fourth proportional to 134,846.11, 186,099.56 and 74,429.83 is: 102,719.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,846.11 : 186,099.56 = 74,429.83 : x
  2. Step 2: Convert to fraction form
    134,846.11/186,099.56 = 74,429.83/x
  3. Step 3: Cross multiply
    134,846.11x = 186,099.56 × 74,429.83
  4. Step 4: Simplify right side
    134,846.11x = 13,851,358,613.87
  5. Step 5: Solve for x
    x = 13,851,358,613.87/134,846.11
  6. Step 6: Final answer
    x = 102,719.75

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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.