Home / 113,857.29-171,159.57-105,636.60

Finding the Fourth Proportional to 113,857.29, 171,159.57 and 105,636.60

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Solution

The fourth proportional to 113,857.29, 171,159.57 and 105,636.60 is: 158,801.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,857.29 : 171,159.57 = 105,636.60 : x
  2. Step 2: Convert to fraction form
    113,857.29/171,159.57 = 105,636.60/x
  3. Step 3: Cross multiply
    113,857.29x = 171,159.57 × 105,636.60
  4. Step 4: Simplify right side
    113,857.29x = 18,080,715,032.26
  5. Step 5: Solve for x
    x = 18,080,715,032.26/113,857.29
  6. Step 6: Final answer
    x = 158,801.56

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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.