Home / 135,437.72-186,811.22-92,922.44

Finding the Fourth Proportional to 135,437.72, 186,811.22 and 92,922.44

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Solution

The fourth proportional to 135,437.72, 186,811.22 and 92,922.44 is: 128,169.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,437.72 : 186,811.22 = 92,922.44 : x
  2. Step 2: Convert to fraction form
    135,437.72/186,811.22 = 92,922.44/x
  3. Step 3: Cross multiply
    135,437.72x = 186,811.22 × 92,922.44
  4. Step 4: Simplify right side
    135,437.72x = 17,358,952,983.11
  5. Step 5: Solve for x
    x = 17,358,952,983.11/135,437.72
  6. Step 6: Final answer
    x = 128,169.27

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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.