Home / 183,900.40-253,766.94-103,321.60

Finding the Fourth Proportional to 183,900.40, 253,766.94 and 103,321.60

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Solution

The fourth proportional to 183,900.40, 253,766.94 and 103,321.60 is: 142,575.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,900.40 : 253,766.94 = 103,321.60 : x
  2. Step 2: Convert to fraction form
    183,900.40/253,766.94 = 103,321.60/x
  3. Step 3: Cross multiply
    183,900.40x = 253,766.94 × 103,321.60
  4. Step 4: Simplify right side
    183,900.40x = 26,219,606,267.90
  5. Step 5: Solve for x
    x = 26,219,606,267.90/183,900.40
  6. Step 6: Final answer
    x = 142,575.04

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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.