Home / 163,747.63-225,972.66-92,128.87

Finding the Fourth Proportional to 163,747.63, 225,972.66 and 92,128.87

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Solution

The fourth proportional to 163,747.63, 225,972.66 and 92,128.87 is: 127,138.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,747.63 : 225,972.66 = 92,128.87 : x
  2. Step 2: Convert to fraction form
    163,747.63/225,972.66 = 92,128.87/x
  3. Step 3: Cross multiply
    163,747.63x = 225,972.66 × 92,128.87
  4. Step 4: Simplify right side
    163,747.63x = 20,818,605,816.69
  5. Step 5: Solve for x
    x = 20,818,605,816.69/163,747.63
  6. Step 6: Final answer
    x = 127,138.36

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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.