Home / 163,757.21-225,972.78-92,123.42

Finding the Fourth Proportional to 163,757.21, 225,972.78 and 92,123.42

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Solution

The fourth proportional to 163,757.21, 225,972.78 and 92,123.42 is: 127,123.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,757.21 : 225,972.78 = 92,123.42 : x
  2. Step 2: Convert to fraction form
    163,757.21/225,972.78 = 92,123.42/x
  3. Step 3: Cross multiply
    163,757.21x = 225,972.78 × 92,123.42
  4. Step 4: Simplify right side
    163,757.21x = 20,817,385,320.51
  5. Step 5: Solve for x
    x = 20,817,385,320.51/163,757.21
  6. Step 6: Final answer
    x = 127,123.47

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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.