Home / 193,330.86-289,926.54-66,936.84

Finding the Fourth Proportional to 193,330.86, 289,926.54 and 66,936.84

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Solution

The fourth proportional to 193,330.86, 289,926.54 and 66,936.84 is: 100,381.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,330.86 : 289,926.54 = 66,936.84 : x
  2. Step 2: Convert to fraction form
    193,330.86/289,926.54 = 66,936.84/x
  3. Step 3: Cross multiply
    193,330.86x = 289,926.54 × 66,936.84
  4. Step 4: Simplify right side
    193,330.86x = 19,406,766,419.73
  5. Step 5: Solve for x
    x = 19,406,766,419.73/193,330.86
  6. Step 6: Final answer
    x = 100,381.11

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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.