Home / 174,634.39-261,838.89-83,400.40

Finding the Fourth Proportional to 174,634.39, 261,838.89 and 83,400.40

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Solution

The fourth proportional to 174,634.39, 261,838.89 and 83,400.40 is: 125,046.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,634.39 : 261,838.89 = 83,400.40 : x
  2. Step 2: Convert to fraction form
    174,634.39/261,838.89 = 83,400.40/x
  3. Step 3: Cross multiply
    174,634.39x = 261,838.89 × 83,400.40
  4. Step 4: Simplify right side
    174,634.39x = 21,837,468,161.56
  5. Step 5: Solve for x
    x = 21,837,468,161.56/174,634.39
  6. Step 6: Final answer
    x = 125,046.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.