Home / 188,139.04-259,632.05-102,098.03

Finding the Fourth Proportional to 188,139.04, 259,632.05 and 102,098.03

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Solution

The fourth proportional to 188,139.04, 259,632.05 and 102,098.03 is: 140,895.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,139.04 : 259,632.05 = 102,098.03 : x
  2. Step 2: Convert to fraction form
    188,139.04/259,632.05 = 102,098.03/x
  3. Step 3: Cross multiply
    188,139.04x = 259,632.05 × 102,098.03
  4. Step 4: Simplify right side
    188,139.04x = 26,507,919,021.21
  5. Step 5: Solve for x
    x = 26,507,919,021.21/188,139.04
  6. Step 6: Final answer
    x = 140,895.36

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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.