Home / 135,439.22-186,813.29-92,923.94

Finding the Fourth Proportional to 135,439.22, 186,813.29 and 92,923.94

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Solution

The fourth proportional to 135,439.22, 186,813.29 and 92,923.94 is: 128,171.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,439.22 : 186,813.29 = 92,923.94 : x
  2. Step 2: Convert to fraction form
    135,439.22/186,813.29 = 92,923.94/x
  3. Step 3: Cross multiply
    135,439.22x = 186,813.29 × 92,923.94
  4. Step 4: Simplify right side
    135,439.22x = 17,359,425,552.48
  5. Step 5: Solve for x
    x = 17,359,425,552.48/135,439.22
  6. Step 6: Final answer
    x = 128,171.34

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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.