Home / 144,014.82-198,708.62-83,550.43

Finding the Fourth Proportional to 144,014.82, 198,708.62 and 83,550.43

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Solution

The fourth proportional to 144,014.82, 198,708.62 and 83,550.43 is: 115,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,014.82 : 198,708.62 = 83,550.43 : x
  2. Step 2: Convert to fraction form
    144,014.82/198,708.62 = 83,550.43/x
  3. Step 3: Cross multiply
    144,014.82x = 198,708.62 × 83,550.43
  4. Step 4: Simplify right side
    144,014.82x = 16,602,190,645.71
  5. Step 5: Solve for x
    x = 16,602,190,645.71/144,014.82
  6. Step 6: Final answer
    x = 115,281.13

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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.