Home / 183,709.88-253,505.60-103,121.83

Finding the Fourth Proportional to 183,709.88, 253,505.60 and 103,121.83

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Solution

The fourth proportional to 183,709.88, 253,505.60 and 103,121.83 is: 142,300.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,709.88 : 253,505.60 = 103,121.83 : x
  2. Step 2: Convert to fraction form
    183,709.88/253,505.60 = 103,121.83/x
  3. Step 3: Cross multiply
    183,709.88x = 253,505.60 × 103,121.83
  4. Step 4: Simplify right side
    183,709.88x = 26,141,960,119.72
  5. Step 5: Solve for x
    x = 26,141,960,119.72/183,709.88
  6. Step 6: Final answer
    x = 142,300.24

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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.