Home / 113,209.41-156,366-82,533.92

Finding the Fourth Proportional to 113,209.41, 156,366 and 82,533.92

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Solution

The fourth proportional to 113,209.41, 156,366 and 82,533.92 is: 113,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,209.41 : 156,366 = 82,533.92 : x
  2. Step 2: Convert to fraction form
    113,209.41/156,366 = 82,533.92/x
  3. Step 3: Cross multiply
    113,209.41x = 156,366 × 82,533.92
  4. Step 4: Simplify right side
    113,209.41x = 12,905,498,934.72
  5. Step 5: Solve for x
    x = 12,905,498,934.72/113,209.41
  6. Step 6: Final answer
    x = 113,996.70

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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.