Home / 183,976.41-253,908.48-102,312.80

Finding the Fourth Proportional to 183,976.41, 253,908.48 and 102,312.80

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Solution

The fourth proportional to 183,976.41, 253,908.48 and 102,312.80 is: 141,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,976.41 : 253,908.48 = 102,312.80 : x
  2. Step 2: Convert to fraction form
    183,976.41/253,908.48 = 102,312.80/x
  3. Step 3: Cross multiply
    183,976.41x = 253,908.48 × 102,312.80
  4. Step 4: Simplify right side
    183,976.41x = 25,978,088,550.99
  5. Step 5: Solve for x
    x = 25,978,088,550.99/183,976.41
  6. Step 6: Final answer
    x = 141,203.36

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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.