Home / 183,945.11-253,866.80-103,376.03

Finding the Fourth Proportional to 183,945.11, 253,866.80 and 103,376.03

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Solution

The fourth proportional to 183,945.11, 253,866.80 and 103,376.03 is: 142,671.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,945.11 : 253,866.80 = 103,376.03 : x
  2. Step 2: Convert to fraction form
    183,945.11/253,866.80 = 103,376.03/x
  3. Step 3: Cross multiply
    183,945.11x = 253,866.80 × 103,376.03
  4. Step 4: Simplify right side
    183,945.11x = 26,243,741,415.92
  5. Step 5: Solve for x
    x = 26,243,741,415.92/183,945.11
  6. Step 6: Final answer
    x = 142,671.59

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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.