Home / 164,487.03-226,997.61-100,812.51

Finding the Fourth Proportional to 164,487.03, 226,997.61 and 100,812.51

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Solution

The fourth proportional to 164,487.03, 226,997.61 and 100,812.51 is: 139,124.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,487.03 : 226,997.61 = 100,812.51 : x
  2. Step 2: Convert to fraction form
    164,487.03/226,997.61 = 100,812.51/x
  3. Step 3: Cross multiply
    164,487.03x = 226,997.61 × 100,812.51
  4. Step 4: Simplify right side
    164,487.03x = 22,884,198,828.10
  5. Step 5: Solve for x
    x = 22,884,198,828.10/164,487.03
  6. Step 6: Final answer
    x = 139,124.64

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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.