Home / 163,765.32-225,993.78-92,145.39

Finding the Fourth Proportional to 163,765.32, 225,993.78 and 92,145.39

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Solution

The fourth proportional to 163,765.32, 225,993.78 and 92,145.39 is: 127,159.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,765.32 : 225,993.78 = 92,145.39 : x
  2. Step 2: Convert to fraction form
    163,765.32/225,993.78 = 92,145.39/x
  3. Step 3: Cross multiply
    163,765.32x = 225,993.78 × 92,145.39
  4. Step 4: Simplify right side
    163,765.32x = 20,824,284,995.67
  5. Step 5: Solve for x
    x = 20,824,284,995.67/163,765.32
  6. Step 6: Final answer
    x = 127,159.31

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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.