Home / 234,937.45-324,214.87-138,135.82

Finding the Fourth Proportional to 234,937.45, 324,214.87 and 138,135.82

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Solution

The fourth proportional to 234,937.45, 324,214.87 and 138,135.82 is: 190,628.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,937.45 : 324,214.87 = 138,135.82 : x
  2. Step 2: Convert to fraction form
    234,937.45/324,214.87 = 138,135.82/x
  3. Step 3: Cross multiply
    234,937.45x = 324,214.87 × 138,135.82
  4. Step 4: Simplify right side
    234,937.45x = 44,785,686,923.64
  5. Step 5: Solve for x
    x = 44,785,686,923.64/234,937.45
  6. Step 6: Final answer
    x = 190,628.13

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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.