Home / 193,193.59-289,816.76-66,799.89

Finding the Fourth Proportional to 193,193.59, 289,816.76 and 66,799.89

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Solution

The fourth proportional to 193,193.59, 289,816.76 and 66,799.89 is: 100,208.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,193.59 : 289,816.76 = 66,799.89 : x
  2. Step 2: Convert to fraction form
    193,193.59/289,816.76 = 66,799.89/x
  3. Step 3: Cross multiply
    193,193.59x = 289,816.76 × 66,799.89
  4. Step 4: Simplify right side
    193,193.59x = 19,359,728,941.97
  5. Step 5: Solve for x
    x = 19,359,728,941.97/193,193.59
  6. Step 6: Final answer
    x = 100,208.96

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1.5x scale

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.