Home / 163,730.88-225,932.64-92,109.36

Finding the Fourth Proportional to 163,730.88, 225,932.64 and 92,109.36

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Solution

The fourth proportional to 163,730.88, 225,932.64 and 92,109.36 is: 127,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,730.88 : 225,932.64 = 92,109.36 : x
  2. Step 2: Convert to fraction form
    163,730.88/225,932.64 = 92,109.36/x
  3. Step 3: Cross multiply
    163,730.88x = 225,932.64 × 92,109.36
  4. Step 4: Simplify right side
    163,730.88x = 20,810,510,873.51
  5. Step 5: Solve for x
    x = 20,810,510,873.51/163,730.88
  6. Step 6: Final answer
    x = 127,101.93

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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.