Home / 193,298.22-289,877.79-66,904.13

Finding the Fourth Proportional to 193,298.22, 289,877.79 and 66,904.13

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Solution

The fourth proportional to 193,298.22, 289,877.79 and 66,904.13 is: 100,332.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,298.22 : 289,877.79 = 66,904.13 : x
  2. Step 2: Convert to fraction form
    193,298.22/289,877.79 = 66,904.13/x
  3. Step 3: Cross multiply
    193,298.22x = 289,877.79 × 66,904.13
  4. Step 4: Simplify right side
    193,298.22x = 19,394,019,896.88
  5. Step 5: Solve for x
    x = 19,394,019,896.88/193,298.22
  6. Step 6: Final answer
    x = 100,332.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.