Home / 113,131.14-169,696.64-28,891.32

Finding the Fourth Proportional to 113,131.14, 169,696.64 and 28,891.32

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Solution

The fourth proportional to 113,131.14, 169,696.64 and 28,891.32 is: 43,336.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,131.14 : 169,696.64 = 28,891.32 : x
  2. Step 2: Convert to fraction form
    113,131.14/169,696.64 = 28,891.32/x
  3. Step 3: Cross multiply
    113,131.14x = 169,696.64 × 28,891.32
  4. Step 4: Simplify right side
    113,131.14x = 4,902,759,784.71
  5. Step 5: Solve for x
    x = 4,902,759,784.71/113,131.14
  6. Step 6: Final answer
    x = 43,336.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.