Home / 205,655.73-283,740.33-114,999.45

Finding the Fourth Proportional to 205,655.73, 283,740.33 and 114,999.45

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Solution

The fourth proportional to 205,655.73, 283,740.33 and 114,999.45 is: 158,663.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,655.73 : 283,740.33 = 114,999.45 : x
  2. Step 2: Convert to fraction form
    205,655.73/283,740.33 = 114,999.45/x
  3. Step 3: Cross multiply
    205,655.73x = 283,740.33 × 114,999.45
  4. Step 4: Simplify right side
    205,655.73x = 32,629,981,892.82
  5. Step 5: Solve for x
    x = 32,629,981,892.82/205,655.73
  6. Step 6: Final answer
    x = 158,663.13

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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.