Home / 163,721.70-225,917.64-92,100.24

Finding the Fourth Proportional to 163,721.70, 225,917.64 and 92,100.24

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Solution

The fourth proportional to 163,721.70, 225,917.64 and 92,100.24 is: 127,088.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,721.70 : 225,917.64 = 92,100.24 : x
  2. Step 2: Convert to fraction form
    163,721.70/225,917.64 = 92,100.24/x
  3. Step 3: Cross multiply
    163,721.70x = 225,917.64 × 92,100.24
  4. Step 4: Simplify right side
    163,721.70x = 20,807,068,864.23
  5. Step 5: Solve for x
    x = 20,807,068,864.23/163,721.70
  6. Step 6: Final answer
    x = 127,088.03

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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.