Home / 135,110.80-186,499.56-92,809.36

Finding the Fourth Proportional to 135,110.80, 186,499.56 and 92,809.36

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Solution

The fourth proportional to 135,110.80, 186,499.56 and 92,809.36 is: 128,108.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,110.80 : 186,499.56 = 92,809.36 : x
  2. Step 2: Convert to fraction form
    135,110.80/186,499.56 = 92,809.36/x
  3. Step 3: Cross multiply
    135,110.80x = 186,499.56 × 92,809.36
  4. Step 4: Simplify right side
    135,110.80x = 17,308,904,803.88
  5. Step 5: Solve for x
    x = 17,308,904,803.88/135,110.80
  6. Step 6: Final answer
    x = 128,108.97

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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.