Home / 193,338.50-289,938.53-66,944.82

Finding the Fourth Proportional to 193,338.50, 289,938.53 and 66,944.82

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Solution

The fourth proportional to 193,338.50, 289,938.53 and 66,944.82 is: 100,393.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,338.50 : 289,938.53 = 66,944.82 : x
  2. Step 2: Convert to fraction form
    193,338.50/289,938.53 = 66,944.82/x
  3. Step 3: Cross multiply
    193,338.50x = 289,938.53 × 66,944.82
  4. Step 4: Simplify right side
    193,338.50x = 19,409,882,701.91
  5. Step 5: Solve for x
    x = 19,409,882,701.91/193,338.50
  6. Step 6: Final answer
    x = 100,393.26

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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.