Home / 194,620.11-268,530.12-118,137.36

Finding the Fourth Proportional to 194,620.11, 268,530.12 and 118,137.36

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Solution

The fourth proportional to 194,620.11, 268,530.12 and 118,137.36 is: 163,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,620.11 : 268,530.12 = 118,137.36 : x
  2. Step 2: Convert to fraction form
    194,620.11/268,530.12 = 118,137.36/x
  3. Step 3: Cross multiply
    194,620.11x = 268,530.12 × 118,137.36
  4. Step 4: Simplify right side
    194,620.11x = 31,723,439,457.28
  5. Step 5: Solve for x
    x = 31,723,439,457.28/194,620.11
  6. Step 6: Final answer
    x = 163,001.86

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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.