Home / 193,079.58-266,457.06-108,193.50

Finding the Fourth Proportional to 193,079.58, 266,457.06 and 108,193.50

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Solution

The fourth proportional to 193,079.58, 266,457.06 and 108,193.50 is: 149,311.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,079.58 : 266,457.06 = 108,193.50 : x
  2. Step 2: Convert to fraction form
    193,079.58/266,457.06 = 108,193.50/x
  3. Step 3: Cross multiply
    193,079.58x = 266,457.06 × 108,193.50
  4. Step 4: Simplify right side
    193,079.58x = 28,828,921,921.11
  5. Step 5: Solve for x
    x = 28,828,921,921.11/193,079.58
  6. Step 6: Final answer
    x = 149,311.09

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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.