Home / 158,716.10-219,027.58-87,097.32

Finding the Fourth Proportional to 158,716.10, 219,027.58 and 87,097.32

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Solution

The fourth proportional to 158,716.10, 219,027.58 and 87,097.32 is: 120,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,716.10 : 219,027.58 = 87,097.32 : x
  2. Step 2: Convert to fraction form
    158,716.10/219,027.58 = 87,097.32/x
  3. Step 3: Cross multiply
    158,716.10x = 219,027.58 × 87,097.32
  4. Step 4: Simplify right side
    158,716.10x = 19,076,715,006.34
  5. Step 5: Solve for x
    x = 19,076,715,006.34/158,716.10
  6. Step 6: Final answer
    x = 120,193.95

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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.