Home / 183,936.18-253,838.61-103,365.30

Finding the Fourth Proportional to 183,936.18, 253,838.61 and 103,365.30

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Solution

The fourth proportional to 183,936.18, 253,838.61 and 103,365.30 is: 142,647.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,936.18 : 253,838.61 = 103,365.30 : x
  2. Step 2: Convert to fraction form
    183,936.18/253,838.61 = 103,365.30/x
  3. Step 3: Cross multiply
    183,936.18x = 253,838.61 × 103,365.30
  4. Step 4: Simplify right side
    183,936.18x = 26,238,104,074.23
  5. Step 5: Solve for x
    x = 26,238,104,074.23/183,936.18
  6. Step 6: Final answer
    x = 142,647.87

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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.