Home / 163,857.18-226,006.38-109,381.92

Finding the Fourth Proportional to 163,857.18, 226,006.38 and 109,381.92

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Solution

The fourth proportional to 163,857.18, 226,006.38 and 109,381.92 is: 150,869.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,857.18 : 226,006.38 = 109,381.92 : x
  2. Step 2: Convert to fraction form
    163,857.18/226,006.38 = 109,381.92/x
  3. Step 3: Cross multiply
    163,857.18x = 226,006.38 × 109,381.92
  4. Step 4: Simplify right side
    163,857.18x = 24,721,011,776.65
  5. Step 5: Solve for x
    x = 24,721,011,776.65/163,857.18
  6. Step 6: Final answer
    x = 150,869.26

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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.