Home / 183,708.86-253,498.64-103,145.24

Finding the Fourth Proportional to 183,708.86, 253,498.64 and 103,145.24

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Solution

The fourth proportional to 183,708.86, 253,498.64 and 103,145.24 is: 142,329.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,708.86 : 253,498.64 = 103,145.24 : x
  2. Step 2: Convert to fraction form
    183,708.86/253,498.64 = 103,145.24/x
  3. Step 3: Cross multiply
    183,708.86x = 253,498.64 × 103,145.24
  4. Step 4: Simplify right side
    183,708.86x = 26,147,177,546.75
  5. Step 5: Solve for x
    x = 26,147,177,546.75/183,708.86
  6. Step 6: Final answer
    x = 142,329.44

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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.