Home / 118,214.58-163,137.96-67,225.98

Finding the Fourth Proportional to 118,214.58, 163,137.96 and 67,225.98

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Solution

The fourth proportional to 118,214.58, 163,137.96 and 67,225.98 is: 92,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,214.58 : 163,137.96 = 67,225.98 : x
  2. Step 2: Convert to fraction form
    118,214.58/163,137.96 = 67,225.98/x
  3. Step 3: Cross multiply
    118,214.58x = 163,137.96 × 67,225.98
  4. Step 4: Simplify right side
    118,214.58x = 10,967,109,236.20
  5. Step 5: Solve for x
    x = 10,967,109,236.20/118,214.58
  6. Step 6: Final answer
    x = 92,772.90

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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.