Home / 183,789.06-253,634.59-103,218.31

Finding the Fourth Proportional to 183,789.06, 253,634.59 and 103,218.31

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Solution

The fourth proportional to 183,789.06, 253,634.59 and 103,218.31 is: 142,444.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,789.06 : 253,634.59 = 103,218.31 : x
  2. Step 2: Convert to fraction form
    183,789.06/253,634.59 = 103,218.31/x
  3. Step 3: Cross multiply
    183,789.06x = 253,634.59 × 103,218.31
  4. Step 4: Simplify right side
    183,789.06x = 26,179,733,737.34
  5. Step 5: Solve for x
    x = 26,179,733,737.34/183,789.06
  6. Step 6: Final answer
    x = 142,444.46

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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.