Home / 193,016.12-266,355.78-106,971.44

Finding the Fourth Proportional to 193,016.12, 266,355.78 and 106,971.44

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Solution

The fourth proportional to 193,016.12, 266,355.78 and 106,971.44 is: 147,617.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,016.12 : 266,355.78 = 106,971.44 : x
  2. Step 2: Convert to fraction form
    193,016.12/266,355.78 = 106,971.44/x
  3. Step 3: Cross multiply
    193,016.12x = 266,355.78 × 106,971.44
  4. Step 4: Simplify right side
    193,016.12x = 28,492,461,338.92
  5. Step 5: Solve for x
    x = 28,492,461,338.92/193,016.12
  6. Step 6: Final answer
    x = 147,617.00

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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.