Home / 158,716.60-219,028.27-87,097.82

Finding the Fourth Proportional to 158,716.60, 219,028.27 and 87,097.82

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Solution

The fourth proportional to 158,716.60, 219,028.27 and 87,097.82 is: 120,194.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,716.60 : 219,028.27 = 87,097.82 : x
  2. Step 2: Convert to fraction form
    158,716.60/219,028.27 = 87,097.82/x
  3. Step 3: Cross multiply
    158,716.60x = 219,028.27 × 87,097.82
  4. Step 4: Simplify right side
    158,716.60x = 19,076,884,617.63
  5. Step 5: Solve for x
    x = 19,076,884,617.63/158,716.60
  6. Step 6: Final answer
    x = 120,194.64

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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.