Home / 193,123.61-266,457.75-115,568.03

Finding the Fourth Proportional to 193,123.61, 266,457.75 and 115,568.03

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Solution

The fourth proportional to 193,123.61, 266,457.75 and 115,568.03 is: 159,452.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,123.61 : 266,457.75 = 115,568.03 : x
  2. Step 2: Convert to fraction form
    193,123.61/266,457.75 = 115,568.03/x
  3. Step 3: Cross multiply
    193,123.61x = 266,457.75 × 115,568.03
  4. Step 4: Simplify right side
    193,123.61x = 30,793,997,245.73
  5. Step 5: Solve for x
    x = 30,793,997,245.73/193,123.61
  6. Step 6: Final answer
    x = 159,452.27

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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.