Home / 164,786.10-227,421.77-100,259.92

Finding the Fourth Proportional to 164,786.10, 227,421.77 and 100,259.92

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Solution

The fourth proportional to 164,786.10, 227,421.77 and 100,259.92 is: 138,369.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,786.10 : 227,421.77 = 100,259.92 : x
  2. Step 2: Convert to fraction form
    164,786.10/227,421.77 = 100,259.92/x
  3. Step 3: Cross multiply
    164,786.10x = 227,421.77 × 100,259.92
  4. Step 4: Simplify right side
    164,786.10x = 22,801,288,900.23
  5. Step 5: Solve for x
    x = 22,801,288,900.23/164,786.10
  6. Step 6: Final answer
    x = 138,369.00

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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.