Home / 134,826.64-202,414.92-103,683.76

Finding the Fourth Proportional to 134,826.64, 202,414.92 and 103,683.76

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Solution

The fourth proportional to 134,826.64, 202,414.92 and 103,683.76 is: 155,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,826.64 : 202,414.92 = 103,683.76 : x
  2. Step 2: Convert to fraction form
    134,826.64/202,414.92 = 103,683.76/x
  3. Step 3: Cross multiply
    134,826.64x = 202,414.92 × 103,683.76
  4. Step 4: Simplify right side
    134,826.64x = 20,987,139,985.70
  5. Step 5: Solve for x
    x = 20,987,139,985.70/134,826.64
  6. Step 6: Final answer
    x = 155,660.19

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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.